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Responsively change div size keeping aspect ratio [duplicate]
...line-block;
position: relative;
}
.wrapper:after {
padding-top: 56.25%;
/* 16:9 ratio */
display: block;
content: '';
}
.main {
position: absolute;
top: 0;
bottom: 0;
right: 0;
left: 0;
/* fill parent */
background-color: deepskyblue;
/* let's see it! */
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Why do we need argc while there is always a null at the end of argv?
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Yes, argv[argc]==NULL is guaranteed. See C11 5.1.2.2.1 Program startup (my emphasis)
If they are declared, the parameters to the main function shall obey
the following constraints:
The value of argc shall be nonnegative.
argv[argc] shall be a null
pointer.
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How to explain Katana and OWIN in simple words and uses?
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412
Regarding the comment above, OWIN is not a framework. OWIN is a specification on how web servers...
Is there a git-merge --dry-run option?
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2
NVM. Figured it out. You call git merge --abort
– J-bob
Dec 8 '14 at 16:42
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How to change time and timezone in iPhone simulator?
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216
I'm guessing it uses your system timezone, so changing the TZ in System Preferences would prob...
How do I check if file exists in jQuery or pure JavaScript?
...tus!=404;
}
Small changes and it could check for status HTTP status code 200 (success), instead.
EDIT 2: Since sync XMLHttpRequest is deprecated, you can add a utility method like this to do it async:
function executeIfFileExist(src, callback) {
var xhr = new XMLHttpRequest()
xhr.onready...
How to turn a String into a JavaScript function call? [duplicate]
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edited Feb 21 at 22:19
Callum Watkins
2,22222 gold badges2323 silver badges4040 bronze badges
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Why does the C++ map type argument require an empty constructor when using []?
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baydabayda
12.1k77 gold badges3434 silver badges4848 bronze badges
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Check if list is empty in C# [closed]
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answered Sep 18 '13 at 8:22
Tim SchmelterTim Schmelter
397k5656 gold badges580580 silver badges827827 bronze badges
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Lightweight Java Object cache API [closed]
...les.
CacheManager cacheManager = CacheManager.getInstance();
int oneDay = 24 * 60 * 60;
Cache memoryOnlyCache = new Cache("name", 200, false, false, oneDay, oneDay);
cacheManager.addCache(memoryOnlyCache);
Creates a cache that will hold 200 elements, and has a ttl of 24 hours.
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