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Getting the first character of a string with $str[0]
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It'll vary depending on resources, but you could run the script bellow and see for yourself ;)
<?php
$tests = 100000;
for ($i = 0; $i < $tests; $i++)
{
$string = md5(rand());
$position = rand(0, 31);
$start1 = microtime(true);
$char1 = $string[$position];
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How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?
...tory (whether empty or not). There should an rmdir($dir) at the end of the script.
– laurent
Jan 10 '14 at 15:22
4
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os.walk without digging into directories below
...directory-object interaction. See my answer below
– ascripter
May 27 '19 at 12:32
add a comme...
Android: ProgressDialog.show() crashes with getApplicationContext
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For me worked changing
builder = new AlertDialog.Builder(getApplicationContext());
to
builder = new AlertDialog.Builder(ThisActivityClassName.this);
Weird thing is that the first one can be found in google tutorial and people get error on this..
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Turn off Visual Studio Attach security warning when debugging IIS
...WOW64\ or adding it under HKLM\Software\Wow6432Node\.... I created a .reg script that simply adds it to both:
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\9.0\Debugger]
"DisableAttachSecurityWarning"=dword:00000001
[HKEY_CURRENT_USER\Software\Wow6432Nod...
Detect if an input has text in it using CSS — on a page I am visiting and do not control?
... not the same as the node's value property (Changed by the user or DOM javascript, and submitted as form data).
Unless you care only about the initial state, you must use a userscript or Greasemonkey script. Fortunately this is not hard. The following script will work in Chrome, or Firefox with G...
云数据及Firebase组件简介 · App Inventor 2 中文网
...hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })();
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pandas dataframe columns scaling with sklearn
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I get a bunch of DeprecationWarnings when I run this script. How should it be updated?
– pir
Mar 15 '16 at 15:29
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In what areas might the use of F# be more appropriate than C#? [closed]
...that previous systems were prone to.
Exploratory programming Working with script files and the REPL (F# Interactive) allowed me to explore the solution space more effectively before committing to an implementation than the more traditional edit/compile/run/test loop. It is a very natural way for a ...
Angularjs minify best practice
...ut that angularjs dependency injection has problems if you minify your javascript
so I'm wondering if instead of
7 Answers
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