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Grep not as a regular expression
I need to search for a PHP variable $someVar . However, Grep thinks that I am trying to run a regex and is complaining:
6 ...
How to play a local video with Swift?
...scussion Video Player
@code
self.videoPlayer = [[VideoPlayer alloc] initVideoPlayerWithURL:someURL playerView:self.playerView];
[self.videoPlayer prepareToPlay];
self.videoPlayer.delegate = self; //optional
//after when required play item
[self.vide...
How to write character & in android strings.xml
...ere is a nice reference page: http://jrgraphix.net/research/unicode_blocks.php?block=0
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Best way to extract a subvector from a vector?
...ary. For more information about gsl, see: http://www.modernescpp.com/index.php/c-core-guideline-the-guidelines-support-library.
There are several gsl implementations . For example: https://github.com/martinmoene/gsl-lite
C++20 provides an implementation of span. You would use std::span and #include ...
Determine if variable is defined in Python [duplicate]
...eleted. I'm looking for something like defined() in Perl or isset() in PHP or defined? in Ruby.
6 Answers
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What online brokers offer APIs? [closed]
...rokers:
https://www.interactivebrokers.com/en/?f=%2Fen%2Fsoftware%2Fibapi.php
Pinnacle Capital Markets:
http://www.pcmtrading.com/es/technology/api.html
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What is size_t in C?
...nder src/gcc/ginclude/stddef.h in GCC 4.2.
Interesting C99 appearances
malloc takes size_t as an argument, so it determines the maximum size that may be allocated.
And since it is also returned by sizeof, I think it limits the maximum size of any array.
See also: What is the maximum size of an ...
浅谈Heatmap：网页热点图生成原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...了一些随机生成的数据，以Imagick为例，代码如下：
<?php
$coordinates = array();
for ($i = 0; $i < 1000; $i++) {
$coordinates[] = array(rand($i, 1000), rand($i, 1000));
}
$max_repeat = max(
array_count_values(
array_map(function($v) { return "{$v[0]}x...
Show a popup/message box from a Windows batch file
...re some amazing examples of things you can do: dostips.com/forum/viewtopic.php?t=5311 The LocalDateTime example returns a value. Thanks for the idea!
– Jerry Jeremiah
May 26 '16 at 5:06
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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
...ded to the existing value of "immutableString"
The resultant value is then allocated to a new block of memory
"immutableString" object now points to the newly created memory space
Previously created memory space is now available for garbage collection.
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