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Commenting code in Notepad++
... programs in Python. It might sound daft but I looked around in the editor and could not find any means (not the manual way but something like in Emacs) to do a block comment in my code.
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Signed to unsigned conversion in C - is it always safe?
...unsigned values, resulting in a large result (depending on the values of u and i).
Long Answer
According to the C99 Standard:
6.3.1.8 Usual arithmetic conversions
If both operands have the same type, then no further conversion is needed.
Otherwise, if both operands have signed intege...
How do I escape the wildcard/asterisk character in bash?
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Because the variables expand
– Daniel
Apr 30 '19 at 11:08
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Git: How to remove file from index without deleting files from any repository
... pull your deletion, then restore the file.
If they are pulling via rebase and are ‘carrying’ modifications to the file, they will get conflicts. To resolve such conflicts, use git rm foo.conf && git rebase --continue (if the conflicting commit has changes besides those to the removed fi...
Crop MP3 to first 30 seconds
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I also recommend ffmpeg, but the command line suggested by John Boker has an unintended side effect: it re-encodes the file to the default bitrate (which is 64 kb/s in the version I have here at least). This might give your customers a false impression of the qu...
PHP Fatal error: Cannot redeclare class
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AaronLS's answer is much higher rated, and you can find it way down here.
– qris
Oct 7 '14 at 11:48
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Subscript and Superscript a String in Android
...his without an external library? I want this to display in a TextView in Android.
14 Answers
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How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
...used if encrypting more than one block of data with the same key.
CBC, OFB and CFB are similar, however OFB/CFB is better because you only need encryption and not decryption, which can save code space.
CTR is used if you want good parallelization (ie. speed), instead of CBC/OFB/CFB.
XTS mode is the ...
How to print Boolean flag in NSLog?
...@ changes as follows
For Strings you use %@
For int you use %i
For float and double you use %f
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Convert int to ASCII and back in Python
I'm working on making a URL shortener for my site, and my current plan (I'm open to suggestions) is to use a node ID to generate the shortened URL. So, in theory, node 26 might be short.com/z , node 1 might be short.com/a , node 52 might be short.com/Z , and node 104 might be short.com/ZZ . When...