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Passing Objects By Reference or Value in C#
...One more code sample to showcase this:
void Main()
{
int k = 0;
TestPlain(k);
Console.WriteLine("TestPlain:" + k);
TestRef(ref k);
Console.WriteLine("TestRef:" + k);
string t = "test";
TestObjPlain(t);
Console.WriteLine("TestObjPlain:" +t);
TestObjRef(ref t...
What is the Swift equivalent of respondsToSelector?
...r:, even if Swift, if you are dealing with NSObject instances:
@interface TestA : NSObject
- (void)someMethod;
@end
@implementation TestA
//this triggers a warning
@end
var a = TestA()
if a.respondsToSelector("someMethod") {
a.someMethod()
}
...
Best practices for styling HTML emails [closed]
...load them and they won't appear as attachments to the email.
And lastly, test, test, test! Each email client does things way differently than a browser would do.
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Determine project root from a running node.js application
... That means that you can determine whether a file has been run directly by testing require.main === module
Because module provides a filename property (normally equivalent to __filename), the entry point of the current application can be obtained by checking require.main.filename.
So if you w...
What is the best way to clone/deep copy a .NET generic Dictionary?
... entry => (T) entry.Value.Clone());
(Those are untested, but should work.)
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Can I hide the HTML5 number input’s spin box?
...
This CSS effectively hides the spin-button for webkit browsers (have tested it in Chrome 7.0.517.44 and Safari Version 5.0.2 (6533.18.5)):
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
/* display: none; <- Crashes Chrome on hover */
-webkit-appearance:...
Preloading CSS Images
... to work. I was casually sticking to an image with a wrong path.
Here's a test : http://paragraphe.org/slidetoggletest/test.html
<script>
var pic = new Image();
var pic2 = new Image();
var pic3 = new Image();
pic.src="images/inputs/input1.png";
pic2.src="images/inputs/inp...
Emulating a do-while loop in Bash
...
Place the body of your loop after the while and before the test. The actual body of the while loop should be a no-op.
while
check_if_file_present
#do other stuff
(( current_time <= cutoff ))
do
:
done
Instead of the colon, you can use continue if you find that ...
Removing whitespace between HTML elements when using line breaks
...n the parent element. For some reason, Chrome ignore this (and as far as I tested, it ignores the word spacing regardless of the value). So besides this I add letter-spacing: -.31em to the parent and letter-spacing: normal to the children. This fraction of an em is the size of the space ONLY IF your...
@try - catch block in Objective-C
...
All work perfectly :)
NSString *test = @"test";
unichar a;
int index = 5;
@try {
a = [test characterAtIndex:index];
}
@catch (NSException *exception) {
NSLog(@"%@", exception.reason);
NSLog(@"Char at index %d cannot be found", index);
...