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Where can I set environment variables that crontab will use?
...eriod is equivalent to the "source" command: tldp.org/LDP/abs/html/special-chars.html#DOTREF
– Jeff W
Mar 8 '13 at 21:55
...
DateTime2 vs DateTime in SQL Server
...nts doesn't support date, time, or datetime2 and force you to convert to a string literal. If you're concerned more about compatability than precision, use datetime
– FistOfFury
Jun 25 '14 at 20:49
...
Generating random numbers in Objective-C
...
arc4random_stir(void);
void
arc4random_addrandom(unsigned char *dat, int datlen);
DESCRIPTION
The arc4random() function uses the key stream generator employed by the arc4 cipher, which uses 8*8 8
bit S-Boxes. The S-Boxes can be in about (2**1700) states. The arc4random(...
How to print the full traceback without halting the program?
..._error
RuntimeError: something bad happened!
Or perhaps you just want the string, in which case, you'll want the traceback.format_exc function instead:
try:
do_something_that_might_error()
except Exception as error:
logger.debug(traceback.format_exc())
Which logs:
DEBUG:__main__:Traceback ...
Vertically align text to top within a UILabel
...abelFrame];
[myLabel setBackgroundColor:[UIColor orangeColor]];
NSString *labelText = @"I am the very model of a modern Major-General, I've information vegetable, animal, and mineral";
[myLabel setText:labelText];
// Tell the label to use an unlimited number of lines
[myLabel s...
Looping through the content of a file in Bash
...ine has less than three fields, the missing fields will be set to an empty string
# if the line has more than three fields, `field3` will get all the values, including the third field plus the delimiter(s)
done < input.txt
Reading from the output of another command, using process substitution...
client secret in OAuth 2.0
...-to-us
and here https://www.youtube.com/watch?v=twyL7Uxe6sk.
All in all be extra cautious of your usage of third party libraries (common sense actually but if token hijacking is your big concern add another extra to cautious).
I have been ranting about the point 2 for quite some time. I have even d...
initializer_list and move semantics
...y made that so in order to allow initializer lists to contain for instance string constants, from which it would be inappropriate to move.
However, if you are in a situation where you know that the initializer list contains rvalue expressions (or you want to force the user to write those) then ther...
How can I get Visual Studio 2008 Windows Forms designer to render a Form that implements an abstract
...ct method is to return the title of the page, then I will make it return a string "Please change the title".
– Darius
Sep 12 '19 at 7:56
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Receiving “fatal: Not a git repository” when attempting to remote add a Git repo
...nd then I did this:
echo 'ref: refs/heads/ML_#94_FILTER_TYPES_AND_SPECIAL_CHARS' > .git/HEAD
It worked.
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