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How to use a switch case 'or' in PHP
...icated" statements, eg: to test if a value is "greater than 3", "between 4 and 6", etc. If you need to do something like that, stick to using if statements, or if there's a particularly strong need for switch then it's possible to use it back to front:
switch (true) {
case ($value > 3) :
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How can bcrypt have built-in salts?
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This is bcrypt:
Generate a random salt. A "cost" factor has been pre-configured. Collect a password.
Derive an encryption key from the password using the salt and cost factor. Use it to encrypt a well-known string. Store the cost, salt, and cipher text...
JavaScript function in href vs. onclick
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The typical path these days is to use a javascript library (eg. jquery) and create an event handler using that library. It would look something like:
$('a').click( function(e) {e.preventDefault(); /*your_code_here;*/ return false; } );
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Java system properties and environment variables
What's the difference between system properties System.getProperties() and environment variables System.getenv() in a JVM?
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How do I get the height and width of the Android Navigation Bar programmatically?
...lack navigation bar on the bottom of the screen is not easily removable in Android. It has been part of Android since 3.0 as a replacement for hardware buttons. Here is a picture:
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Rails 4 LIKE query - ActiveRecord adds quotes
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Your placeholder is replaced by a string and you're not handling it right.
Replace
"name LIKE '%?%' OR postal_code LIKE '%?%'", search, search
with
"name LIKE ? OR postal_code LIKE ?", "%#{search}%", "%#{search}%"
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Use of 'const' for function parameters
... you just make functions const when necessary or do you go the whole hog and use it everywhere? For example, imagine a simple mutator that takes a single boolean parameter:
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How do I bottom-align grid elements in bootstrap fluid layout
...ich I want to fill the span normally. The second column just has a button and some text, which I want to bottom align relative to the cell in the first column.
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No Swipe Back when hiding Navigation Bar in UINavigationController
...pan swipe back gesture . I can write custom gestures but I prefer not to and to rely on the UINavigationController back swipe gesture instead.
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Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
...list of events up in another page, the API itself is tremendously helpful, and all of what I'm discussing below is linked directly from this page.
First, .click(function) is literally a shortcut for .bind('click', function), they are equivalent. Use them when binding a handler directly to an eleme...