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typeof !== “undefined” vs. != null
...ependency checking are both good reasons to use this. If I have Javascript files that are dependent on other files having loaded or init objects having been declared, then it's useful to test objects or properties a file is dependent on against undefined and throw a nice exception instead of letting...
Detecting if an NSString contains…?
... It is definitely not private API. Check out the NSString.h file and you'll see it.
– Brian Sachetta
Mar 31 '15 at 3:00
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How to get a resource id with a known resource name?
...To find a resource id by its name In Kotlin, add below snippet in a kotlin file:
ExtensionFunctions.kt
import android.content.Context
import android.content.res.Resources
fun Context.resIdByName(resIdName: String?, resType: String): Int {
resIdName?.let {
return resources.getIdentifie...
Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...
Task:
You have got an XML file "company.xml" that looks like this:
<?xml version="1.0"?>
<company>
<employee>
<firstname>Tom</firstname>
<lastname>Cruise</lastname>
</employee>
...
How can I measure the actual memory usage of an application or process?
...t of memory your application actually uses, you need to run it within a profiler. For example, Valgrind can give you insights about the amount of memory used, and, more importantly, about possible memory leaks in your program. The heap profiler tool of Valgrind is called 'massif':
Massif is a heap...
Given a view, how do I get its viewController?
...but static functions seem tedious, since you have to then put one in every file you want to use it. Seems like instead you'd want a non static function declared in a header and defined in a .m someplace?
– mxcl
Mar 6 '15 at 2:50
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Centering a background image, using CSS
...
background-image: url(path-to-file/img.jpg);
background-repeat:no-repeat;
background-position: center center;
That should work.
If not, why not make a div with the image and use z-index to make it the background? This would be much easier to center tha...
NSString tokenize in Objective-C
...ively maintained, yes. However, comments here are not the correct place to file bugs on the project. It's on both Google Code and Github if you need to file bugs.
– Todd Ditchendorf
Feb 14 '12 at 0:57
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AWS S3: The bucket you are attempting to access must be addressed using the specified endpoint
I am trying to delete uploaded image files with the AWS-SDK-Core Ruby Gem.
15 Answers
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Putting git hooks into repository
...ook $HOOK_DIR/$hook.local
fi
# create the symlink, overwriting the file if it exists
# probably the only way this would happen is if you're using an old version of git
# -- back when the sample hooks were not executable, instead of being named ____.sample
ln -s -f ../../bin/hooks...