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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
A common trick for vertical positioning elements is to use the following CSS:
7 Answers
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What are database normal forms and can you give examples? [closed]
In relational database design, there is a concept of database normalization or simply normalization, which is a process of organizing columns (attributes) and tables (relations) to reduce data redundancy and improve data integrity. (as written on Wikipedia ).
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AngularJS : Prevent error $digest already in progress when calling $scope.$apply()
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Don't use this pattern - This will end up causing more errors than it solves. Even though you think it fixed something, it didn't.
You can check if a $digest is already in progress by checking $scope.$$phase.
if(!$scope.$$phase) {
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Javascript parseInt() with leading zeros
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This is because if a number starts with a '0', it's treated as base 8 (octal).
You can force the base by passing the base as the 2nd parameter.
parseInt("09", 10) // 9
According to the docs, the 2nd parameter is optional, b...
Is an array an object in java
...e Java Language Specification section 4.3.1 starts off with:
An object is a class instance or an array.
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Retaining file permissions with Git
...git-cache-meta mentioned in SO question "git - how to recover the file permissions git thinks the file should be?" (and the git FAQ) is the more staightforward approach.
The idea is to store in a .git_cache_meta file the permissions of the files and directories.
It is a separate file not versioned ...
“f” after number
What does the f after the numbers indicate? Is this from C or Objective-C? Is there any difference in not adding this to a constant number?
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Among $_REQUEST, $_GET and $_POST which one is the fastest?
..., but not both) : generally speaking :
You should use $_GET when someone is requesting data from your application.
And you should use $_POST when someone is pushing (inserting or updating ; or deleting) data to your application.
Either way, there will not be much of a difference about performanc...
How can I check if a jQuery plugin is loaded?
Is there any way to check if a particular plugin is available?
8 Answers
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Why would someone use WHERE 1=1 AND in a SQL clause?
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If the list of conditions is not known at compile time and is instead built at run time, you don't have to worry about whether you have one or more than one condition. You can generate them all like:
and <condition>
and conc...