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What's the best way to parse command line arguments? [closed]
...ments, and those who are
just like switches.
sys.argv is pretty much your char** argv in C. Like in C you skip the first element which is the name of your program and parse only the arguments : sys.argv[1:]
Getopt.getopt will parse it according to the rule you give in argument.
"ho:v" here descri...
How can I run just the statement my cursor is on in SQL Server Management Studio?
...
Use Ctrl+KU to select a line.
Then use F5 to run it.
Although it only works for single line selection, still I find it quite useful.
Hope it helps!!
share
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How to read if a checkbox is checked in PHP?
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checkboxes as an array and foreach ($_POST['food'] as $selected_food) to work on checked one is nice, thanks
– bcag2
May 4 at 13:02
add a comment
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What is the effect of encoding an image in base64?
...e64 is the better choice.
Size of base64-images
Base64 uses 64 different characters and this is 2^6. So base64 stores 6bit per 8bit character. So the proportion is 6/8 from unconverted data to base64 data. This is no exact calculation, but a rough estimate.
Example:
An 48kb image needs around 64...
MySQL and GROUP_CONCAT() maximum length
...You should use it like this.
SET SESSION group_concat_max_len = 1000000;
select group_concat(column) from table group by column
You can do this even in sharing hosting, but when you use an other session, you need to repeat the SET SESSION command.
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Converting PKCS#12 certificate into PEM using OpenSSL
...the above example, I get the following: "TypeError: initializer for ctype 'char' must be a bytes of length 1, not str" Is there something wrong with my password
– getaglow
Nov 29 '18 at 15:29
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How to sign an android apk file
...or Signing.
To create a signed and aligned .apk in
Eclipse:
Select the project in the Package Explorer and select File >
Export.
Open the Android folder, select Export Android Application, and click
Next.
The Export Android Application wizard now starts, which will guide...
Is it safe to use -1 to set all bits to true?
... on datasets of N bits by breaking it down into chunks of sizeof(unsigned)*CHAR_BIT bits each.
– MSalters
May 4 '09 at 7:22
2
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What are good grep tools for Windows? [closed]
... than PowerGREP.)
Additional solutions
Existing Windows commands
FINDSTR
Select-String in PowerShell
Linux command implementations on Windows
Cygwin
Cash
Grep tools with a graphical interface
AstroGrep
BareGrep
GrepWin
Additional Grep tools
dnGrep
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Select Last Row in the Table
I would like to retrieve the last file inserted into my table. I know that the method first() exists and provides you with the first file in the table but I don't know how to get the last insert.
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