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What does the construct x = x || y mean?
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It means the title argument is optional. So if you call the method with no arguments it will use a default value of "Error".
It's shorthand for writing:
if (!title) {
title = "Error";
}
This kind of shorthand trick with boolean expressions is common in Perl too. With th...
std::wstring VS std::string
... Unicode Windows API which I think is fallacious. If your only concern was calling into the Unicode Windows API and not marshalling strings then sure but I don't buy this as the general case.
– John Leidegren
Aug 9 '12 at 18:15
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In Java, how do I check if a string contains a substring (ignoring case)? [duplicate]
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for some reason I'm getting false when I call "2014-03-25T17:55:00".contains("T")
– Jeremy List
Mar 25 '14 at 8:45
3
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The model backing the context has changed since the database was created
... best to put it in the static contructor of the context class so it's only called once - as in this example video: msdn.microsoft.com/en-us/data/jj572367
– Christian Fredh
Jul 11 '13 at 10:38
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How to append something to an array?
... the push() function to append more than one value to an array in a single call:
// initialize array
var arr = ["Hi", "Hello", "Bonjour", "Hola"];
// append multiple values to the array
arr.push("Salut", "Hey");
// display all values
for (var i = 0; i < arr.length; i++) {
console.log(arr[...
Python: Making a beep noise
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Although he asked specifically for Windows, I think this is the all around better solution, unless the WinSound API will revert to \a for OS independant. There are plenty of audio APIs as well
– Setheron
Jun 30 ...
Can I set a TTL for @Cacheable
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Are you calling reportCacheEvict method from anywhere. How the cacheEvict happening??
– Jaikrat
Dec 15 '16 at 10:29
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PHP Function with Optional Parameters
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global? no..? You create that array before you call the function, and you pass it. My code is an example of Matt Balls description of what should be done.
– Rabbott
Oct 21 '10 at 18:13
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How to know when UITableView did scroll to bottom in iPhone
...est way is to test a point at the bottom of the screen and use this method call when ever the user scrolls (scrollViewDidScroll):
- (NSIndexPath *)indexPathForRowAtPoint:(CGPoint)point
Test a point near the bottom of the screen, and then using the indexPath it returns check if that indexPath is t...
How to make a copy of a file in android?
...file fails to copy then an exception is thrown. use a try catch block when calling the method.
– Nima G
Apr 15 '13 at 10:20
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