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Using tags in the with other HTML
...TYPE html>
<html>
<head></head>
<body>
<div id="scoped-content">
<style type="text/css" scoped>
h1 { color: red; }
</style>
<h1>Hello</h1>
</div>
<h1>
World
</h1>
</body>
</html...
What are fail-safe & fail-fast Iterators in Java
...e usual java.util conventions in that their Iterators and Spliterators provide weakly consistent rather than fast-fail traversal."
Typically, weak consistency means that if a collection is modified concurrently with an iteration, the guarantees of what the iteration sees are weaker. (The details ...
Current time in microseconds in java
...ling the duration of things.
I label all events/messages written to a log files using timestamps like "2012-10-21 19:13:45.267128". These convey both when it happened ("wall" time), and can also be used to measure the duration between this and the next event in the log file (relative difference in ...
Queue.Queue vs. collections.deque
... then, because it's written using collections.deque: hg.python.org/cpython/file/2.7/Lib/Queue.py - it uses condition variables to efficiently allow the deque it wraps to be accessed over thread boundaries safely and efficiently. The explanation of how you'd use a deque for communication is right the...
Run PHP Task Asynchronously
... so for example, to resize an image it would call QueueTask('/image/resize/filename/example.jpg'). The URL was first decoded to an array(module,controller,action,parameters), and then converted to JSON for injection to the queue itself.
A long running cli script then picked up the job from the queu...
Use ASP.NET MVC validation with jquery ajax?
...retty simple to set up.
Specify the following settings in your Web.config file:
<appSettings>
<add key="ClientValidationEnabled" value="true"/>
<add key="UnobtrusiveJavaScriptEnabled" value="true"/>
</appSettings>
When you build up your view, you would define th...
Show DialogFragment with animation growing from a point
...>@anim/anim_out</item>
</style>
Now add the animation files in the res/anim folder:
( the android:pivotY is the key )
anim_in.xml
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<scale
android:...
When to use SELECT … FOR UPDATE?
...ocking them with SELECT FOR UPDATE.
However in some systems locking is a side effect of concurrency control, and you achieve the same results without specifying FOR UPDATE explicitly.
To solve this problem, Thread 1 should SELECT id FROM rooms FOR UPDATE, thereby preventing Thread 2 from dele...
How to minify php page html output?
...
CSS and Javascript
Consider the following link to minify Javascript/CSS files: https://github.com/mrclay/minify
HTML
Tell Apache to deliver HTML with GZip - this generally reduces the response size by about 70%. (If you use Apache, the module configuring gzip depends on your version: Apache 1.3 u...
Can I change the root EBS device of my amazon EC2 instance?
... Neither /dev/sda nor /dev/sda1 worked for me, but /dev/xvda did.
– bhspencer
Feb 5 '15 at 14:37
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