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Regex to check whether a string contains only numbers [duplicate]
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Mike SamuelMike Samuel
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How to detect Safari, Chrome, IE, Firefox and Opera browser?
...sion. Use feature detection when possible.
Demo: https://jsfiddle.net/6spj1059/
// Opera 8.0+
var isOpera = (!!window.opr && !!opr.addons) || !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
// Firefox 1.0+
var isFirefox = typeof InstallTrigger !== 'undefined';
// Safari...
Entity Framework - Add Navigation Property Manually
I generated an Entity Framework Model (4.0) from my database. I did not design the database and do not have any control over the schema, but there are a few tables that do not have foreign key constraints defined, but there is an implicit relationship defined.
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Is onload equal to readyState==4 in XMLHttpRequest?
...s CORS support so from that standpoint XHR 2 didn't appear in IE until IE 10 but XHR.onload was supported in IE 9 which is typically believed to be XHR 1.
– Chase
Nov 5 '14 at 6:39
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How to exit a function in bash
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Aug 4 '13 at 11:12
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How does Django's Meta class work?
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240
You are asking a question about two different things:
Meta inner class in Django models:
This...
Styling text input caret
... the format with CSS.
input,
textarea {
font-size: 24px;
padding: 10px;
color: red;
text-shadow: 0px 0px 0px #000;
-webkit-text-fill-color: transparent;
}
input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
color:
text-shadow: none;
-webkit-t...
The role of #ifdef and #ifndef
...d" while ifndef means "if the following is not defined".
So:
#define one 0
#ifdef one
printf("one is defined ");
#endif
#ifndef one
printf("one is not defined ");
#endif
is equivalent to:
printf("one is defined ");
since one is defined so the ifdef is true and the ifndef is false. It ...
How to use ADB to send touch events to device using sendevent command?
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edited Oct 20 '15 at 15:25
Yaron
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an...
Replace multiple strings with multiple other strings
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– Michal Moravcik
Nov 21 '14 at 13:02
2
You may want to escape the keys for the regular expressi...