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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
...
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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Hiding the scroll bar on an HTML page
Can CSS be used to hide the scroll bar? How would you do this?
21 Answers
21
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Check orientation on Android phone
...e system is already determining orientation
– KrustyGString
Sep 29 '15 at 13:59
1
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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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What is JNDI? What is its basic use? When is it used?
...an be resources like a DataSource, or something else, even plain java.lang.String for configuration information.
– sleske
Jan 21 '14 at 16:40
3
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How to print out a variable in makefile
...s $(VAR))
'error' would stop the make execution, after showing the error string
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