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How to delete a file or folder?
...s os.remove() take multiple arguments to delete multiple files, or do you call it each time for each file?
– user742864
May 9 at 23:57
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Why is it OK to return a 'vector' from a function?
...tor is a class, and classes, like structs, can (and will) be copied to the callers context. [Actually, most compilers will optimise out this particular type of copy using something called "Return Value Optimisation", specifically introduced to avoid copying large objects when they are returned from ...
Fastest way to convert string to integer in PHP
... 0.42208
intval("hello"): 0.93678 (222%)
On average, calling intval() is two and a half times slower, and the difference is the greatest if your input already is an integer.
I'd be interested to know why though.
Update: I've run the tests again, this time with coercion (0 +...
converting a base 64 string to an image and saving it
...appening save the image before disposing the memory stream (while still inside the using statement).
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Ways to synchronize interface and implementation comments in C# [closed]
...der GUI, which describes its usage in full.
(Of course, this isn't specifically "synchronisation", as your question mentions, but it would seem to be exactly what you're looking for nonetheless.)
As a note, this sounds like a perfectly fair idea to me, though I've observed that some people think y...
How to delete history of last 10 commands in shell?
..., so if you want to save a little effort you could use another function to call the histdel function which does the calculations for you.
histdeln(){
# Get the current history number
n=$(history 1 | awk '{print $1}')
# Call histdel with the appropriate range
histdel $(( $n - $1 )) $(( $n ...
How do I get a Date without time in Java?
... a date or date-time value. (Another similarity with Joda-Time.) So simply call toString() to generate text like 2015-05-21.
String output = today.toString() ;
About java.time
The java.time framework is built into Java 8 and later. These classes supplant the troublesome old legacy date-time c...
C++ display stack trace on exception
...you can use the StackWalker library that handles all of the underlying API calls needed for Windows.
You'll have to figure out the best way to integrate this functionality into your app, but the amount of code you need to write should be minimal.
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How do I install PyCrypto on Windows?
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After years and years, python finally agreed for a binary disribution called wheel which allows to install even binary extensions on Windows without having a compiler with simple pip install packagename. There is a list of popular packages with their status. Pycrypto is not there yet, but lxml,...
How does lock work exactly?
...r more than once without it
blocking; however, an equal number of
Exit calls must be invoked before
other threads waiting on the object
will unblock.
The Monitor.Enter method will wait infinitely; it will not time out.
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