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What's the best way to communicate between view controllers?
...ncount of aInstance by 1.
When deallocating bInstance, we will have memory blocked because aInstance can never be brought to 0 retaincount by bInstance reason being that bInstance itself is an object of aInstance.
Further, because of aInstance being stuck, the memory of bInstance will also be stuck...
How to extract filename.tar.gz file
...s/filename.tbz2
/User/Name/Downloads/filename.tbz2: bzip2 compressed data, block size = 400k
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How to cut an entire line in vim and paste it?
...isual mode), you should try V (visual line mode) and <ctrl>v (visual block mode).
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Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc)
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Second that. Remember to set the NS_BLOCK_ASSERTIONS flag in your Release builds. It even further improves the speed.
– DenTheMan
May 20 '11 at 16:07
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Is there a REAL performance difference between INT and VARCHAR primary keys?
...dex)) ENGINE=InnoDB;
Then, I filled 10 million rows in each table with a PHP script whose essence is like this:
$pdo = get_pdo();
$keys = [ 'alabam', 'massac', 'newyor', 'newham', 'delawa', 'califo', 'nevada', 'texas_', 'florid', 'ohio__' ];
for ($k = 0; $k < 10; $k++) {
for ($j = 0; $j ...
Parsing a JSON string in Ruby
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In many cases you want to wrap JSON.parse within a rescue block for JSON::ParserError.
– johnml
Jun 10 '14 at 10:48
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ES6 class variable alternatives
...ilar to the pattern of having $ at the beginning of variables that so many PHP programmers are used to. Just that little implication that "yeah, it's not the same exact thing...but look...it's still a variable because that is a way variables are done in some languages!" helps.
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Is it possible to force Excel recognize UTF-8 CSV files automatically?
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that's solved my issue too , in php it looks like this: $utf8_with_bom = chr(239) . chr(187) . chr(191) . $csvText;
– Abdullah
Dec 31 '13 at 7:09
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Using CSS to affect div style inside iframe
...n: Failed to read the 'contentDocument' property from 'HTMLIFrameElement': Blocked a frame with origin "HOST" from accessing a cross-origin frame.
– tubbo
Feb 7 '17 at 19:10
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Amazon S3 direct file upload from client browser - private key disclosure
... issue at GitHub please take a look on this Thanks. github.com/aws/aws-sdk-php/issues/1332
– usama
Jul 18 '17 at 20:48
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