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When to use the different log levels
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answered Jan 8 '10 at 22:26
GrayWizardxGrayWizardx
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Subtract 7 days from current date
...[NSDate date];
NSDate *sevenDaysAgo = [now dateByAddingTimeInterval:-7*24*60*60];
NSLog(@"7 days ago: %@", sevenDaysAgo);
output:
7 days ago: 2012-04-11 11:35:38 +0000
Hope it helps
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Try-catch speeding up my code?
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1063
One of the Roslyn engineers who specializes in understanding optimization of stack usage took ...
Getting a slice of keys from a map
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209
For example,
package main
func main() {
mymap := make(map[int]string)
keys := make([]...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
...工作，因此不会阻塞主 UI 线程。这对于在可能需要超过 100 毫秒左右的操作期间获得良好的用户体验非常重要。阻塞主 UI 线程将使您的应用程序看起来“冻结”并变得无响应，用户不喜欢这样。
当您需要执行需要一段时间的数...
Rotate axis text in python matplotlib
...ey get closer and closer until they overlap. I'd like to rotate the text 90 degrees so as the samples get closer together, they aren't overlapping.
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How do I use CSS in Django?
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stites
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answered Mar 5 '09 at 23:19
JoeJoe
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sed in-place flag that works both on Mac (BSD) and Linux
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edited Sep 19 '19 at 20:28
GabLeRoux
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answe...
Include jQuery in the JavaScript Console
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20 Answers
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Is there a standard for storing normalized phone numbers in a database?
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80
First, beyond the country code, there is no real standard. About the best you can do is recogniz...