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Get the current displaying UIViewController on the screen in AppDelegate.m
...o suggest please let me know and I can add it.
UIWindow+PazLabs.h (header file)
#import <UIKit/UIKit.h>
@interface UIWindow (PazLabs)
- (UIViewController *) visibleViewController;
@end
UIWindow+PazLabs.m (implementation file)
#import "UIWindow+PazLabs.h"
@implementation UIWindow (PazL...
Correct way to close nested streams and writers in Java [duplicate]
...rt java.util.LinkedList;
import java.util.List;
public abstract class AutoFileCloser {
// the core action code that the implementer wants to run
protected abstract void doWork() throws Throwable;
// track a list of closeable thingies to close when finished
private List<Closeable...
What is the purpose of @SmallTest, @MediumTest, and @LargeTest annotations in Android?
...cally, it is the following:
Small: this test doesn't interact with any file system or network.
Medium: Accesses file systems on box which is running tests.
Large: Accesses external file systems, networks, etc.
Per the Android Developers blog, a small test should take < 100ms, a medium test...
Animate the transition between fragments
...
Awesome solution. Similar approach and the same animation files work for transitions between activities.
– Stan
Jul 20 '16 at 8:15
1
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How to send only one UDP packet with netcat?
..."hello" >/dev/udp/remotehost/8000
These are not "real" devices on the file system, but bash "special" aliases. There is additional information in the Bash Manual.
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@Override is not allowed when implementing interface method
...@Override annotation still was highlighted. To fix that you can open *.iml file and set LANGUAGE_LEVEL="JDK_1_6" and reload project
– Georgy Gobozov
Feb 25 '14 at 17:11
7
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Saving vim macros
...out Marvim.
It let's you save a macro in a specific namespace (or use the filetype as a default namespace) and you can later search for your saved macros and load them in a register ready for use.
If you reuse a lot of macros, this is pretty helpful.
...
How does a public key verify a signature?
...ature in its simplest description is a hash (SHA1, MD5, etc.) of the data (file, message, etc.) that is subsequently encrypted with the signer's private key. Since that is something only the signer has (or should have) that is where the trust comes from. EVERYONE has (or should have) access to the...
What is the garbage collector in Java?
...va application is running, it is creating new objects, such as Strings and Files, but after a certain time, those objects are not used anymore. For example, take a look at the following code:
for (File f : files) {
String s = f.getName();
}
In the above code, the String s is being created on ...
What are naming conventions for MongoDB?
...ural: more obvious to label a collection of something as the plural, e.g. "files" rather than "file"
>No word separators: Avoids issues where different people (incorrectly) separate words (username <-> user_name, first_name <->
firstname). This one is up for debate according to a ...