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How do I start my app on startup?
...d be better to use Intent.ACTION_BOOT_COMPLETED instead of hard-coding the string in your Receiver. Also, should use the new Intent(context, MySystemService.class) constructor when creating the Intent.
– brianestey
Aug 27 '12 at 15:15
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Programmatically get own phone number in iOS
...ust to expand on an earlier answer, something like this does it for me:
NSString *num = [[NSUserDefaults standardUserDefaults] stringForKey:@"SBFormattedPhoneNumber"];
Note: This retrieves the "Phone number" that was entered during the iPhone's iTunes activation and can be null or an incorrect va...
How do I declare class-level properties in Objective-C?
...n be declared as follows
@interface MyType : NSObject
@property (class) NSString *someString;
@end
NSLog(@"format string %@", MyType.someString);
Note that class properties are never synthesized
@implementation
static NSString * _someString;
+ (NSString *)someString { return _someString; }
+ (v...
Converting newline formatting from Mac to Windows
...mand: sed $'s/\r$//' Explanation: bash decodes backslash-escapes in $'...' strings. See gnu.org/software/bash/manual/html_node/ANSI_002dC-Quoting.html for details.
– jcsahnwaldt Reinstate Monica
Jan 22 '19 at 1:41
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random.seed(): What does it do?
... previous value by own using random.seed(x) where x could be any number or string etc.
Hence random.random() is not actually perfect random number, it could be predicted via random.seed(x).
import random
random.seed(45) #seed=45
random.random() #1st rand value=0.271875414384...
Why can't I make a vector of references?
...td::reference_wrapper like this:
#include <functional>
#include <string>
#inclu
Why can I throw null in Java? [duplicate]
...our method signature specifies you should return an Exception (or indeed a string, or Person class), you can throw it.
*Excluding primitive types.
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Is it OK to use == on enums in Java?
...owever, the enum construct gives you various benefits:
Each instance's toString() prints the name given in code.
(As mentioned in another post,) a variable of the enum type can be compared against constants using the switch-case control structure.
All the values in the enumeration can be queried u...
Check orientation on Android phone
...e system is already determining orientation
– KrustyGString
Sep 29 '15 at 13:59
1
Best answer for...
Center a popup window on screen?
...o. You can also change the options with an object (easier to manage than a string)
– SwiftNinjaPro
Apr 16 at 19:06
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