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Understanding reference counting with Cocoa and Objective-C
...ive, when autorelease is called, the current thread's NSAutoreleasePool is alerted of the call. The NSAutoreleasePool now knows that once it gets an opportunity (after the current iteration of the event loop), it can call release on the object. From our perspective as programmers, it takes care of...
What is the difference between save and insert in Mongo DB?
...
Save Vs Insert :
In your given examples, the behavior is essentially the same.
save behaves differently if it is passed with an "_id" parameter.
For save, If the document contains _id, it will upsert querying the collection on the...
How to use __doPostBack()
...doPostBack() , but I have no idea how to do it. I want to use vanilla JavaScript.
7 Answers
...
Creating a textarea with auto-resize
...ith Edge (v14-v18 tested).
With IOS Safari.
With Android Browser.
With JavaScript strict mode.
Is w3c validated.
And is streamlined and efficient.
OPTION 1 (With jQuery)
This option requires jQuery and has been tested and is working with 1.7.2 - 3.3.1
Simple (Add this jquery code to your master sc...
How do I verify jQuery AJAX events with Jasmine?
...doesn't work? has_returned does not become true, even thought the "yuppi!" alert shows up fine.
6 Answers
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Pipe to/from the clipboard in Bash script
Is it possible to pipe to/from the clipboard in Bash?
29 Answers
29
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How do I delete everything in Redis?
...orrect; they delete all keys.
However, if you also want to delete all Lua scripts from the Redis instance, you should follow it by:
SCRIPT FLUSH
The OP asks two questions; this completes the second question (everything wiped).
...
What is the difference between graph search and tree search?
...g vertices in the order obtained by topological sorting).
As for directed vs undirected, an undirected graph is a special case of a directed one, namely the case that follows the rule “if there is an edge (link, transition) from u to v there is also an edge from v to u.
Update: Note that if what...
Configuring Vim for C++
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NERDTree http://www.vim.org/scripts/script.php?script_id=1658
Exuberant ctags (vim already supports the hotkeys natively) http://ctags.sourceforge.net/
taglist: http://vim-taglist.sourceforge.net/
snipmate: http://www.vim.org/scripts/script.php?scrip...
Facebook Open Graph not clearing cache
...(response){
console.log(response);
}
);
// with "vanilla" javascript
var fbxhr = new XMLHttpRequest();
fbxhr.open("POST", "https://graph.facebook.com", true);
fbxhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
fbxhr.send("id=<?php echo $url; ?>&scrape...