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How to print Boolean flag in NSLog?
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Booleans are nothing but integers only, they are just type casted values like...
typedef signed char BOOL;
#define YES (BOOL)1
#define NO (BOOL)0
BOOL value = YES;
NSLog(@"Bool value: %d",value);
If output is 1,YES otherwise NO
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How do I run a node.js app as a background service?
...means forever, monit, PM2, etc are no longer necessary - your OS already handles these tasks.
Make a myapp.service file (replacing 'myapp' with your app's name, obviously):
[Unit]
Description=My app
[Service]
ExecStart=/var/www/myapp/app.js
Restart=always
User=nobody
# Note Debian/Ubuntu uses 'n...
Embed YouTube video - Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
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Along with the embed, I also had to install the Google Cast extension in my browser.
<iframe width="1280" height="720" src="https://www.youtube.com/embed/4u856utdR94" frameborder="0" allowfullscreen></iframe>
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Number of lines in a file in Java
...ly need to know the number of lines in these files, usually I open them up and read them line by line until I reach the end of the file
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How to calculate dp from pixels in android programmatically [duplicate]
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Use toInt() method instead of casting for Kotlin.
– kike
Jul 10 '18 at 7:34
1
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Get Character value from KeyCode in JavaScript… then trim
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Maybe I didn't understand the question correctly, but can you not use keyup if you want to capture both inputs?
$("input").bind("keyup",function(e){
var value = this.value + String.fromCharCode(e.keyCode);
});
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How to check iOS version?
...lable(iOS 9, *) {}
In Objective-C, you need to check the system version and perform a comparison.
[[NSProcessInfo processInfo] operatingSystemVersion] in iOS 8 and above.
As of Xcode 9:
if (@available(iOS 9, *)) {}
The full answer …
In Objective-C, and Swift in rare cases, it's better to...
Can I embed a custom font in an iPhone application?
...uld like to have an app include a custom font for rendering text, load it, and then use it with standard UIKit elements like UILabel . Is this possible?
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Check if an image is loaded (no errors) with jQuery
...ng, when an error occurs it does something else. I'm using jQuery load() and error() methods as events. After these events I check the image DOM element for the .complete to make sure the image wasn't already loaded before jQuery could register the events.
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How to print a list of symbols exported from a dynamic library
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man 1 nm is self-contained and will continue working when command line changes :p
– MK.
Oct 16 '15 at 12:33
9
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