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Declaration/definition of variables locations in ObjectiveC?
...properties can be declared.
Before "modern" Objective-C (in "old" Obj-C 2.0) you didn't have a lot of choices. Instance variables used to be declared in the header between the curly brackets { }:
// MyClass.h
@interface MyClass : NSObject {
int myVar;
}
@end
You were able to access these var...
How to use base class's constructors and assignment operator in C++?
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edited Dec 1 '09 at 7:22
answered Aug 4 '09 at 11:32
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Check if a string has white space
...e input string:
function hasWhiteSpace(s) {
return s.indexOf(' ') >= 0;
}
Or you can use the test method, on a simple RegEx:
function hasWhiteSpace(s) {
return /\s/g.test(s);
}
This will also check for other white space characters like Tab.
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Difference between thread's context class loader and normal classloader
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answered Nov 20 '09 at 16:42
David RousselDavid Roussel
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The static keyword and its various uses in C++
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150
Variables:
static variables exist for the "lifetime" of the translation unit that it's defined i...
How to display long messages in logcat
... to display long message on logcat. If the length of message is more than 1000 characters, it gets broken.
10 Answers
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
...e element, so why do you have to set margin-top:-8px; and not margin-top:-50%;?
Well, vertical centering in CSS is harder than it should be. When setting even top or bottom margins in %, the value is calculated as a percentage always relative to the width of the containing block. This is rather a c...
Is there are way to make a child DIV's width wider than the parent DIV using CSS?
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Use absolute positioning
.child-div {
position:absolute;
left:0;
right:0;
}
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Call a stored procedure with parameter in c#
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GuffaGuffa
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Read only the first line of a file?
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360
Use the .readline() method (Python 2 docs, Python 3 docs):
with open('myfile.txt') as f:
fi...