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Difference between getContext() , getApplicationContext() , getBaseContext() and “this”
...w.getContext(): Returns the context the view is currently running in. Usually the currently active Activity.
Activity.getApplicationContext(): Returns the context for the entire application (the process all the Activities are running inside
of). Use this instead of the current Activity context i...
How to debug a bash script? [closed]
...ug a bash script? E.g something that prints a sort of execution log like "calling line 1", "calling line 2" etc.
12 Answers...
How to disable word-wrap in Xcode 4 editor?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
图表组件 · App Inventor 2 中文网
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Long press gesture on UICollectionViewCell
...ILongPressGestureRecognizer *lpgr
= [[UILongPressGestureRecognizer alloc]
initWithTarget:self action:@selector(handleLongPress:)];
lpgr.delegate = self;
lpgr.delaysTouchesBegan = YES;
[self.collectionView addGestureRecognizer:lpgr];
}
-(void)handleLongPress:...
Why does a return in `finally` override `try`?
...
Finally always executes. That's what it's for, which means it's return gets used in your case.
You'll want to change your code so it's more like this:
function example() {
var returnState = false; // initialisation value ...
How to access data/data folder in Android device?
...'backup my data'. The resulting 'backup.ab' file on your computer contains all application data in android backup format. Basically it's a compressed tar file. This page explains how you can use OpenSSL's zlib command to uncompress it.
You can use the adb restore backup.db command to restore the b...
What is the most efficient way to concatenate N arrays?
...w array that concatenates two existing arrays, it appears concat() is generally faster. For the case of concatenating an array onto an existing array in place, push() is the way to go. I updated my answer.
– Tim Down
Apr 22 '12 at 22:12
...
What's the difference if I put css file inside or ?
Normally css files are put inside <head></head> , what if I put it inside <body></body> , what difference will it make?
...
DDD - the rule that Entities can't access Repositories directly
... is separation of concerns and good layering. This doesn't make sense on small projects, but if you're on a large team you want to say, "You access a product through the Product Repository. Product is an aggregate root for a collection of entities, including the ProductCatalog object. If you want to...