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SHA1 vs md5 vs SHA256: which to use for a PHP login?
...h (BCrypt), Crypt/SHA256 or Crypt/SHA512. Or at least Crypt/MD5 (PHK). See www.php.net/manual/en/function.crypt.php
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What does inverse_of do? What SQL does it generate?
...
After this pr (https://github.com/rails/rails/pull/9522) inverse_of is not required in most cases.
Active Record supports automatic identification for most associations with standard names. However, Active Record will not automatically ide...
Twitter Bootstrap alert message close and open again
... 1;
opacity: 0.2;
text-shadow: 0 1px 0 #fff;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="alert alert-success">
<a class="close" data-hide-closest=".alert">×</a>
<strong>Success!</str...
Laravel migration: unique key is too long, even if specified
...
Schema::defaultStringLength(191);
}
As mentioned in the migrate guide https://laravel.com/docs/master/migrations#creating-indexes
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How to identify unused css definitions
...
Take a look at the Firefox extension Dust-Me at https://addons.mozilla.org/en-US/firefox/addon/dust-me-selectors/.
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Garbage collector in Android
...tions.inPurgeable = true;
for more information take a look at this link
https://web.archive.org/web/20140514092802/http://voices.yahoo.com/android-virtual-machine-vm-out-memory-error-7342266.html?cat=59
NOTE: Due to the momentary "pause" caused by performing gc, it is not recommended to do thi...
How can I shift-select multiple checkboxes like GMail?
...;
}
lastChecked = this;
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<html>
<head>
</head>
<body>
<input type="checkbox" id="id_chk1" class="chkbox" value="1" />Check 1&l...
How can I get all the request headers in Django?
...ude/omit certain headers. Django lists a bunch, but not all, of them here: https://docs.djangoproject.com/en/dev/ref/request-response/#django.http.HttpRequest.META
Django's algorithm for request headers:
Replace hyphen - with underscore _
Convert to UPPERCASE.
Prepend HTTP_ to all headers in orig...
html onchange event not working
...){
alert('Input changed');
});
JSFiddle with static/dynamic example: https://jsfiddle.net/op0zqrgy/7/
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Get OS-level system information
... and FreeBSD and provides RAM, CPU, Battery and file system information.
https://github.com/oshi/oshi
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