Mon, Nov 16, 2020 7:55 pm
Extracting image files from Google Chrome Cache
I wanted to save a local copy of an image on a webpage I was viewing in
the Google Chrome browser on a Windows 10 system, but I couldn't right-click on
it to download it, so I thought I could look for it in the Chrome browser
cache, which is located at
is the name of the relevant
account on a Windows system. I had the
program from NirSoft
system, which provides a command-line option to copy image files from the
Chrome cache for a user, so I used it. Since I was logged into a regular
user account, I
opened a command prompt as the
and then made the working directory the directory where
the ChromeCacheView program was located with
cd C:\Program Files (x86)\Network\NirSoft\ChromeCacheView
from that directory I issued the command below:
chromecacheview -folder "C:\Users\JohnDoe\AppData\Local\Google\Chrome\User Data\Default\Cache\" /copycache "" "image/png" /CopyFilesFolder "c:\users\johndoe\documents\temp\chrome" /UseWebSiteDirStructure 0
You can use the
-folder option to tell ChromeCacheView which
user's cache file you wish to use while the
can be used to specify the directory where you want images, such as
to be copied—in this case I was looking for a .png file because when I
examined the HTML code on the
webpage I thought that the the image was a PNG file. I created a
temp\chrome directory under the Documents directory for
the user account prior to issuing the command to hold the images stored
in the cache. After the command completed, I could see all of the PNG
files that had been in the Chrome cache in that temporary directory I
When I didn't see the image I was looking for, I thought I might have
misidentified it in the code, so I copied all of the image files from the
cache directory, not just the PNG ones by changing "image/png" to
"image" in the command. I.e.:
chromecacheview -folder "C:\Users\JohnDoe\AppData\Local\Google\Chrome\User Data\Default\Cache\" /copycache "" "image" /CopyFilesFolder "c:\users\johndoe\documents\temp\chrome" /UseWebSiteDirStructure 0
(.ico), JPEG (.jpg),
Interchange Format (JFIF) (.jfif),
and WebP (.webp) files from
the cache as well as the PNG ones.
Tue, Nov 03, 2020 3:56 pm
Book Collector lock file
When I opened Book Collector version 20.5.2 today, I saw the message
"Failed to open database, because your license key (xxxxxxxxxxxx) is already in
use on computer "YYYYYYYY" by another user (zzzzzz). Do you wish to unlock your
database file and open it here?" I could choose "yes" or "no" with the "no"
answer opening Book Collector with a new empty book database. The computer the
message referenced was the one on which I was currently trying to open the
program. Since the system I was using had crashed earlier in the day, I
realized that Book Collector was likely finding a lock file that would be
deleted when the program is closed normally. I saw a file with the name I had
given to my book collection, but with a .bkclck
in the directory where I stored the book database. When I opened
the file I saw the file conained only one line:
<lockinfo><writable><client pcname="YYYYYYYY" name="5c22840efc7a3db854c44b0b780f8abc" key="xxxxxxxxxxxx" username="zzzzzzzz"/></writable></lockinfo>
In cases where Book Collector was not closed normally, you can either choose
"yes" at the prompt or delete the .bkclck file before opening Book
Collector as its presence is what causes the message to appear.
Mon, Oct 19, 2020 7:42 pm
Downloading Panopto videos
To download a video hosted on
, such as a class
lecture, you can take the following steps in the
Right-click on the video in Panoptoo—you may need to click on the small
video in the upper, left-hand side of the window rather than the one on the
right side of the window—and select "Inspect Element (Q)."
In the "Search HTML" field, type
.mp4 and hit
Enter—this presumes the video is an
You should see the area in the HTML code where the MP4 file is referenced
Right-click on the highlighted area and choose "Copy" then "Outer HTML."
Then paste the information copied into the clipboard into
Microsoft Notepad or some other text editor, depending on your operating
system and preferred editor. You should see the
URL for the
video listed in the content pasted into the editor. Copy the URL starting with
the "https" up through the ".mp4"—don't copy the information after
Paste the copied URL into a browser tab. You can then right-click on the
video in that browser tab and select "Save Video As" to download the video
to your local system. You can give the video a more meaningful name than
the long string of
digits used for the name.
[ More Info ]
Mon, Oct 05, 2020 9:25 pm
Your electricity will be cut off in 30 minutes
At 11:55 AM EDT this morning, my wife received a recorded call stating our
electricity would be cut off by Delmarva Power, our electric utility, in
thirty minutes. She called for me to pick up the phone, but by the time I got
to a phone in another room, the call was disconnected. She said the message
had instructed her to hit "1" to speak to someone. The call sounded like a
scam to me, since I didn't know of any issue with our electicity payments and
also because I would have expected a letter well before a cutoff date and
more than 30 minutes to pay any past due payment if someone called. It seemed
to me an obvious attempt to panic a called party into providing a credit card
to a scammer engaged in fraud, but I checked our bank account anyway and saw
the last payment due had been deducted from our checking account about two
weeks before the call and when I logged into Delmarva's website to check the
status of our account, I saw the last payment credited and a balance of zero
Using *69, I was able to determine the listed calling number was
1-443-739-1747, but a search online for accounts of others receiving a call
from a scammer using that number did not reveal other such activity. I called
the number back to see how the scammer operated or to see if it might be
a spoofed number, but just got a recorded message that the called party
was not available, so I should leave a message. It sounded like a generic
voicemail message. So, perhaps, the scammer spoofed the calling number
as they often do to make it difficult to track down their identity.
Wed, Sep 30, 2020 4:41 pm
Placing timestamps at ends of lines of a transcript for Panopto videos
After watching lectures for classes that are stored on the
website, I like
to save the text listed for a video in the Contents and Captions that
Panopto provides in a text file. However, if I copy and paste the text into
or some other text
, I see the timestamps appear beneath the relevant text on the
following line. To address the problem, I paste the text into
on a Microsoft Windows system and apply the command
that replaces the end-of-line character
at the end of all lines that don't have a timestamp with a space, instead.
[ More Info ]
Sat, Sep 12, 2020 7:48 pm
Codes for Short and Long Vowels in Latin
If you wish to insert vowels used in Latin in a document, such as
a Microsoft Word or WordPad
document, on a Microsoft Windows system to indicate
whether the vowel should be pronounced as a long or short vowel, you can use
in the table below — Unicode is an encoding standard for characters
in most of the world's
. For Latin, a
, which is
is placed above the letter to indicate a long vowel. Sometimes a
may also be used
to indicate a short vowel. In addition to the Unicode codes, the corresponding
Hypertext Markup Language (HTML)
code is listed as well for displaying the characters in a web page.
To insert the characters using a Windows keyboard on a system running the
Microsoft Windows operating system, type the numeric code (the numbers are
hexadecimal numbers so
"A" through "F" represent the numbers 10 through 15) and then hit Alt-x,
i.e., hit the "Alt" and "x" keys simultaneously, after entering the numeric
code. Note, you needed to have a space before the number you enter, otherwise
if you attempt to put "ē" in "fēmina," by typing "f" with "0113"
immediately after it, the "f0113" will be replaced with a small box with a
question mark within it. So place a space after the "f," type
0113, hit Alt-x, then when
ē appears, remove
the space before it. Also note that though Microsoft Word supports this
method of entering vowels with a diacritic mark in a document not all
applications allow you to enter Unicode characters by this
method. E.g., for
Microsoft Powerpoint, you will need to use the
Character Map method of entering such characters, instead.
[ More Info ]
Sat, Aug 29, 2020 10:17 pm
Resetting the password for a Comcast Business Router
I needed to reset the password on a Cisco router provided by Comcast for
Internet service for a local business, since I needed to update firewall rules
in the router, but when I tried what I thought was the password it didn't
work. The model number for the Cisco router was DPC3941B (the model number
is on the bottom of the router). I also needed to reconfigure the subnet
used by the router for the Local Area Network (LAN) after resetting the
router, since the computers on the LAN were using IP addresses from a
192.168.0.0/24 subnet rather than the 10.1.10.0/24 subnet used as the
default one for the router.
[ More Info ]
Thu, Aug 27, 2020 9:30 pm
Turning off McAfee AntiVirus Plus realtime protection temporarily
To temporarily turn off the realtime antivirus protection in McAfee
AntiVirus Plus, e.g., so you could move a file to another system for analysis
that it might deem malware or to scan the system with other antivirus
software, you can take the following steps:
Open the program and click on the gear (cog) icon at the upper, right-hand
corner of the window.
Under the PC Security section of the Settings, you will
see "Real-Time Scanning." When you click on "Real-Time Scanning" you will
have the option of turning off the real-time monitoring for 15 minute intervals
from 15 to 60 minutes or you can select "When I restart my PC" or "Never."
If you select a timed option, the protection will automatically turn back
on after that period of time. You can also turn on protection again
prior to that time by modifying the "Real-Time Scanning" setting again.
If you wish to view or restore items McAfee AntiVirus Plus has quarantined,
you can click on "Quarantined items" under Settings, which will show
you all files in the quarantine area, if any.
Note: these steps were tested on McAfee® AntiVirus Plus version 16.0
Fri, Jun 26, 2020 6:51 pm
Configuring Outlook 2010 to check AOL email
To configure Outlook 2010 to check an AOL email account, take the following
Open Outlook and click on Next at the startup window.
When prompted as to whether you would like to configure an E-mail account,
maintain the default option of "yes" and click on Next.
At the Add New Account window, choose "Manually configure server
settings or additional server types" and then click on Next.
At the Choose Service window, maintain the default option of
"Internet E-mail" and click on Next.
At the Internet E-mail Settings window, you will need to
provide the relevant information for your AOL email account. In the
username field, include "@aol.com" as part of the user name, e.g.,
firstname.lastname@example.org. You will also need to choose
whether you will access your AOL email account using the
Protocol (POP) or the
Internet Message Access Protocol (IMAP). The default option is
POP3, version 3 of POP. With that option, the email in your inbox will
be downloaded to Outbox and deleted from the server after a specified
period of time; by default Outlook will leave it on the server for 14 days.
If you log into the AOL website to check your
email after you've downloaded it with Outlook and delete a message while
viewing your email in a browser, it won't be available to download with
Outlook, if you subsequently check your AOL email with Outlook, although
that may not matter to you. A disadvantage of using the POP protocol is
that it only downloads email from the inbox, not any other folders you
may have created to hold specific email messages. Also, by default email
is deleted from the email server after you download it to Outlook, so email
you've already downloaded won't be visible to you if you check your email
through a web browser at a later time—by default Outlook will leave
the email there for 14 days, though. You can change that setting, though, once
you've filled in account information by clicking on the More Settings
button, then clicking on the Advanced tab and choosing how long
a copy of messages should be left on the server.
If you select IMAP for the account type, you can view email in
other folders besides the inbox and Outlook's view of the email in your
account is synchronized with the email messages maintained on the AOL email
server, so you can check with a web browser or with Outlook and see the
same messages in your email folders. You could also set up Outlook on another
system and select IMAP there as well to see the same email messages on
a separate system where you are using Outlook.
The information you should put in the incoming mail server and
outgoing mail server fields is as follows:
|POP3||Incoming mail server (POP3): pop.aol.com
Outgoing mail server (SMTP): smtp.aol.com
|IMAP||Incoming mail server (IMAP): imap.aol.com
Outgoing mail server (SMTP): smtp.aol.com
Put a check mark in the "Remember password"
check box, if you don't want to have to enter your password every time
you open Outlook to check your email.
[ More Info ]
Thu, Jun 25, 2020 8:59 pm
Book Collector - Adding an author or publisher image
If you are using
to track your book
collection and wish to add a photograph of an author to the information about
the author, you may be able to do so by taking the following steps:
Download the image of the author. If you wish, you can place the image in the
location where book cover images are stored, i.e. the
directory beneath the Book Collector directory where you store the book
If you are editing an entry for a book by the author, you can right-click on the
icon of three horizontal bars to the left of the author's name while editing
the book entry and select "Edit this author entry." Or from the main Book
Collector window, you can select "Edit" then "Manage Pick Lists" to select
the author picklist where you can select the relevant author—you can
double-click on the author entry then to edit it.
In the Edit Author window, click on the Images tab.
For the "Template Image" field, browse to where you downloaded
the image of the author. Once you have selected the image, click on OK.
Leave the "Image (will be scaled to 16x16)" field blank.
You can then close the entry where you are editing the author's information.
When viewing the entry for a book by the author from the book list in
the home screen for Book Collector, you should then see a small thumbnail
picture of the author.
If you don't have an image, but want to add a picture to the author's
entry, check to see if there is a
Wikipedia entry for the author or if
the author has a website.
You can use similar steps to add an image for a publisher's entry in
[ More Info ]
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