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AtomicInteger lazySet vs. set
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Cited straight from "JDK-6275329: Add lazySet methods to atomic classes":
As probably the last little JSR166 follow-up for Mustang,
we added a "lazySet" method to the Atomic classes
(AtomicInteger, AtomicReference, etc...
Is there any performance reason to declare method parameters final in Java?
...does not appear in the class file for local variables and parameters, thus it cannot impact the runtime performance. It's only use is to clarify the coders intent that the variable not be changed (which many consider dubious reason for its usage), and dealing with anonymous inner classes.
There is...
PHP mkdir: Permission denied problem
I am trying to create a directory with PHP mkdir function but I get an error as follows: Warning: mkdir() [function.mkdir]: Permission denied in ... . How to settle down the problem?
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Node.js vs .Net performance
...lly FAST at serving one request per second might totally croak if you send it 500 requests per second (under LOAD).
You also have to consider static (and cached) vs dynamic pages. If you're worried about static pages, then IIS is probably going to beat node because IIS uses kernel-mode caching, wh...
How to replace ${} placeholders in a text file?
...ving variables like ${dbName} interspersed. What is the command line utility to replace these instances and dump the output to standard output?
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IntelliJ not recognizing a particular file correctly, instead its stuck as a text file
...be the original reason this file was marked as text but I am not provided with a "mark as ftl file" option to turn it back, if indeed this is the problem. If I mark other ftl files as txt, I am able to turn them back into ftl files as expected.
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Android - Spacing between CheckBox and text
...nswer my own question, but in this case I think I need to. After checking it out, @Falmarri was on the right track with his answer. The problem is that Android's CheckBox control already uses the android:paddingLeft property to get the text where it is.
The red line shows the paddingLeft offset v...
YouTube Video Embedded via iframe Ignoring z-index?
...uTube video embedded via iframe. If I hover over one of the main level nav items in Firefox, the dropdown menu properly appears on top of the video.
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What's “tools:context” in Android layout files?
Starting with a recent new version of ADT, I've noticed this new attribute on the layout XML files, for example:
9 Answers
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Can someone explain the dollar sign in Javascript?
...e looks like to me) tend to prefix variables that contain a jQuery object with a $ so that they are easily identified and not mixed up with, say, integers.
The dollar sign function $() in jQuery is a library function that is frequently used, so a short name is desirable.
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