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How to initialize a vector in C++ [duplicate]
...iner/vector/vector without supplying the third argument, which defaults to Allocator(). I know I'm missing something.
– Mortimer McMire
Jun 22 '13 at 19:45
...
Regular expression to match balanced parentheses
...o at regex101; The pattern is pasted at (?R) which represents (?0).
Perl, PHP, Notepad++, R: perl=TRUE, Python: Regex package with (?V1) for Perl behaviour.
Ruby using subexpression calls.
With Ruby 2.0 \g<0> can be used to call full pattern.
\((?>[^)(]+|\g<0>)*\)
Demo at Rubu...
Git merge left HEAD marks in my files
...bin/bash
for f in $(grep -Rl '^>>>>>>> ' --include="*.php" --include="*.css" --include="*.js" --include="*.html" --include="*.svg" --include="*.txt" .)
do
sed -i -e '/^=======/,/^>>>>>>> /d' -e '/^<<<<<<< /d' $f
sed -i -e '/^>>>...
Combine multiple Collections into a single logical Collection?
... how, the underlying objects in the lists aren't copied and ArrayList just allocates the space and calls System.arraycopy() under the hood. Can't get much more efficient than that.
– Qwerky
Feb 4 '11 at 10:21
...
What is the canonical way to check for errors using the CUDA runtime API?
... the return status of the API call it wraps, for example:
gpuErrchk( cudaMalloc(&a_d, size*sizeof(int)) );
If there is an error in a call, a textual message describing the error and the file and line in your code where the error occurred will be emitted to stderr and the application will exit...
How does one create an InputStream from a String? [duplicate]
...
How about not using String.getBytes? It allocates a copy of string, so it is not memory effective solution. The reason to use inputstream is usually to avoid keeping a copy of large object in memory
– Vitamon
May 19 '16 at 11:...
When to use LinkedList over ArrayList in Java?
... the capacity of the underlying array, a new array (1.5 times the size) is allocated, and the old array is copied to the new one, so adding to an ArrayList is O(n) in the worst case but constant on average.
So depending on the operations you intend to do, you should choose the implementations accor...
Performance of Java matrix math libraries? [closed]
...o use "raw" MOV instructions as you'd expect; it makes decisions on how to allocate variables to registers when it can; it re-orders instructions to take advantage of processor architecture... A possible exception is that as I mentioned, Hotspot will only perform one operation per SSE instruction; i...
Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()
...terminated. So the pool can shrink if threads remain too much idle.
If all allocated threads are occupied while a new task comes in, then it creates a new thread, as offering a new task to a SynchronousQueue always fails when there is no one on the other end to accept it!
When should I use one...
Is there any way to post events to Google Analytics via server-side API? [closed]
...
If you use PHP you can easily call the Analytics Measurement Protocol to send page views to you Google Analytics account:
function sendAnalytics($sGaId, $sHostname, $sPath, $sTitle) {
$aParams = array();
//Protocol Version
...