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How does @synchronized lock/unlock in Objective-C?
Does @synchronized not use "lock" and "unlock" to achieve mutual exclusion? How does it do lock/unlock then?
5 Answers
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How to 'minify' Javascript code
JQuery has two versions for download, one is Production (19KB, Minified and Gzipped) , and the other is Development (120KB, Uncompressed Code) .
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What does enumerable mean?
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An enumerable property is one that can be included in and visited during for..in loops (or a similar iteration of properties, like Object.keys()).
If a property isn't identified as enumerable, the loop will ignore that it's within the object.
var obj = { key: 'val' };
console...
Find and replace with sed in directory and sub directories
I run this command to find and replace all occurrences of 'apple' with 'orange' in all files in root of my site:
7 Answers
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Java Class that implements Map and keeps insertion order?
...or most cases; TreeMap has O(log n) performance for containsKey, get, put, and remove, according to the Javadocs, while LinkedHashMap is O(1) for each.
If your API that only expects a predictable sort order, as opposed to a specific sort order, consider using the interfaces these two classes implem...
How to parse the AndroidManifest.xml file inside an .apk package
This file appears to be in a binary XML format. What is this format and how can it be parsed programmatically (as opposed to using the aapt dump tool in the SDK)?
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Update git commit author date when amending
...--date parameter to git commit. So, if you want to amend the last commit, and update its author date to the current date and time, you can do:
git commit --amend --date="$(date -R)"
(The -R parameter to date tells it to output the date in RFC 2822 format. This is one of the date formats underst...
Cancel split window in Vim
...window just one window without cancelling all of my open windows. I have 5 and do not want to "quit", just want to get out of split window.
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What is the shortcut in IntelliJ IDEA to find method / functions?
I know that Ctrl + N is to find classes and it is very useful. But what about methods?
16 Answers
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Mysql - How to quit/exit from stored procedure
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can you leave and return a value?
– ygaradon
Apr 8 '14 at 10:28
36
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