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how to get first three characters of an NSString?
...oIndex:3];
Be sure your string has atleast 3 ch.. o.e. it will crash the app.
Here are some other links to check NSsting operations...
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How do you print out a stack trace to the console/log in Cocoa?
... it slightly to come up with this
#import <UIKit/UIKit.h>
#import "AppDelegate.h"
int main(int argc, char *argv[])
{
@autoreleasepool {
int retval;
@try{
retval = UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
}
@c...
How do I remove the “extended attributes” on a file in Mac OS X?
I have an AppleScript script that runs a stress test. Part of the test is to open, save, and close certain files. Somehow, the files have picked up some "extended attributes" that prohibit the files from being saved. That causes the stress test to fail.
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How do I set default terminal to terminator? [closed]
... 20 manual mode 5 /usr/bin/xfce4-terminal.wrapper 40 manual mode 6 /usr/bin/xterm 20 manual mode
– Running Turtle
May 29 '13 at 10:12
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SQLAlchemy: how to filter date field?
...r all databases understand also the ISO 8601 format for dates, which also happens to be lexicographical order. For this reason for simple examples i generally use ISO formatted dates - easier to read.
– van
Dec 24 '15 at 3:12
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iPhone 5 CSS media query
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I like this approach but could not get it to work in a PhoneGap app webview until adding -webkit-min-device-pixel-ratio as explained by Stephen Sprawl zsprawl.com/iOS/2012/09/css-media-queries-for-the-iphone-5. @media screen and (device...
How can I use “puts” to the console without a line break in ruby on rails?
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You need to use print instead of puts. Also, if you want the dots to appear smoothly, you need to flush the stdout buffer after each print...
def print_and_flush(str)
print str
$stdout.flush
end
100.times do
print_and_flush "."
sleep 1
end
Edit: I was just looking into the reasonin...
passing 2 $index values within nested ng-repeat
...relevant controller for that menu item by passing in the $index to let the app know which one we need. However I need to also pass in the $index from the outer ng-repeat so the app knows which section we are in as well as which tutorial.
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error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartup
...r change it to either WinMain or wWinMain depending on whether or not your app is Unicode. Failure to do so also yields this linker error even with the correct subsystem. (/SUBSYSTEM:WINDOWS)
– lisa
Mar 29 '15 at 4:45
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How to get UILabel to respond to tap?
...UITextField and I plan to use UILabel most of the time for my data display app.
11 Answers
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