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How to use PHP OPCache?
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Installation
OpCache is compiled by default on PHP5.5+. However it is disabled by default. In order to start using OpCache in PHP5.5+ you will first have to enable it. To do this you would have to do the following.
Add the following line to your...
What is a Manifest in Scala and when do you need it?
Since Scala 2.7.2 there is something called Manifest which is a workaround for Java's type erasure. But how does Manifest work exactly and why / when do you need to use it?
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Why do we always prefer using parameters in SQL statements?
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Using parameters helps prevent SQL Injection attacks when the database is used in conjunction with a program interface such as a desktop program or web site.
In your example, a user can directly run SQL code on your database by crafting statements in txtSalary.
For example, if they were to wri...
The most efficient way to implement an integer based power function pow(int, int)
What is the most efficient way given to raise an integer to the power of another integer in C?
17 Answers
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jQuery UI - Close Dialog When Clicked Outside
I have a jQuery UI Dialog that gets displayed when specific elements are clicked. I would like to close the dialog if a click occurs anywhere other than on those triggering elements or the dialog itself.
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MySQL integer field is returned as string in PHP
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edited Mar 16 '11 at 9:35
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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
... search about MySQL, Micro Instance and Memory Managment I found out there is no default SWAP space for Micro instance. So if you want to avoid the crash you may need to setup a swap space for your micro instance. Actually performance wise is better to enable swap.
Steps below show how to make a swa...
What does the ^ operator do in Java?
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The ^ operator in Java
^ in Java is the exclusive-or ("xor") operator.
Let's take 5^6 as example:
(decimal) (binary)
5 = 101
6 = 110
------------------ xor
3 = 011
This the truth table for bitwise (JLS 15.22.1) and logica...
Private pages for a private Github repo
...ld be a http://foo.github.com for a private repository named foo which is accessible only one had access to the foo repository itself.
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What's the best way to refactor a method that has too many (6+) parameters?
...rs. It seems like there ought to be a better way, but I can't see what it is.
23 Answers
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