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Can I see changes before I save my file in Vim?
...ng the file to the command (on stdin). In the command, - tells it to read from stdin.
– chaos
Oct 7 '13 at 16:15
14
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Laravel requires the Mcrypt PHP extension
...If it's not then check where the command line is loading your php.ini file from by running php --ini from your terminal.
In this php.ini file you can enable the extension.
OSX
I have heard of people on OSX running in to problems due to the terminal pointing to the native PHP shipped with OSX. You...
Actual meaning of 'shell=True' in subprocess
...le where things could go wrong with Shell=True is shown here
>>> from subprocess import call
>>> filename = input("What file would you like to display?\n")
What file would you like to display?
non_existent; rm -rf / # THIS WILL DELETE EVERYTHING IN ROOT PARTITION!!!
>>> c...
Pinging servers in Python
...return true (on Windows) if you get a "destination host unreachable" reply from a different host.
– ikrase
Dec 29 '16 at 20:11
...
Do regular expressions from the re module support word boundaries (\b)?
...s%3a%2f%2fstackoverflow.com%2fquestions%2f3995034%2fdo-regular-expressions-from-the-re-module-support-word-boundaries-b%23new-answer', 'question_page');
}
);
Post as a guest
...
@RequestParam vs @PathVariable
...
@PathVariable is to obtain some placeholder from the URI (Spring call it an URI Template)
— see Spring Reference Chapter 16.3.2.2 URI Template Patterns
@RequestParam is to obtain a parameter from the URI as well — see Spring Reference Chapter 16.3.3.3 Binding reque...
Difference between size_t and unsigned int?
...but that's permitted).
The purpose of size_t is to relieve the programmer from having to worry about which of the predefined types is used to represent sizes.
Code that assumes sizeof yields an unsigned int would not be portable. Code that assumes it yields a size_t is more likely to be portable.
...
Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
...t nameLength, extraLength;
};
The packed attribute prevents the compiler from aligning the fields according to their natural alignment, and it has no relation to the problem of field ordering. It would be possible to reorder the fields of LocalFileHeader so that the structure has both minimal size...
How do I uniquely identify computers visiting my web site?
... one possible fingerprinting algorithm, and collected these
fingerprints from a large sample of browsers that visited our test side,
panopticlick.eff.org. We observe that the distribution of our finger-
print contains at least 18.1 bits of entropy, meaning that if we pick a
brow...
Convert ArrayList to String[] array [duplicate]
...ining a primitive type object, e.g. Double, Float, Integer, Long. And then from there your normal arrays must be defined with this type, e.g. Double[] myDoubleArray = list.toArray(new Double[listOfDoubles.size()]);
– planty182
Sep 5 '13 at 13:03
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