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How can I use NSError in my iPhone App?
...leDictionary* details = [NSMutableDictionary dictionary];
[details setValue:@"ran out of money" forKey:NSLocalizedDescriptionKey];
// populate the error object with the details
*error = [NSError errorWithDomain:@"world" code:200 userInfo:details];
// we couldn't feed ...
How can I round a number in JavaScript? .toFixed() returns a string?
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It returns a string because 0.1, and powers thereof (which are used to display decimal fractions), are not representable (at least not with full accuracy) in binary floating-point systems.
For example, 0.1 is really 0.1000000000000000055511151231257827...
Checking if an object is a given type in Swift
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307
If you want to check against a specific type you can do the following:
if let stringArray = ob...
filters on ng-model in an input
...gest to watch model value and update it upon chage: http://plnkr.co/edit/Mb0uRyIIv1eK8nTg3Qng?p=preview
The only interesting issue is with spaces: In AngularJS 1.0.3 ng-model on input automatically trims string, so it does not detect that model was changed if you add spaces at the end or at start (...
Copy array items into another array
... I want to push into a new array newArray . Except I don't want newArray[0] to be dataArray . I want to push in all the items into the new array:
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Visual Studio popup: “the operation could not be completed”
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Normally you can delete the .suo file without problems. You might have to set the StartUp Project for your solution afterwards.
Just to stay on the safe way, you can rename the .suo file, and then retry to start the solution, to see if this help.
In my experience sometime VS crash on start becaus...
IPC performance: Named Pipe vs Socket
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10 Answers
10
Active
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Switch statement fall-through…should it be allowed? [closed]
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90
It may depend on what you consider fallthrough. I'm ok with this sort of thing:
switch (value)...
Why do we usually use || over |? What is the difference?
...gh.
– AndSoYouCode
Aug 18 '11 at 8:30
8
Another canonical example is string == null || string.isE...
What is lexical scope?
...ar downloadManager = {
initialize: function() {
var _this = this; // Set up `_this` for lexical access
$('.downloadLink').on('click', function () {
_this.startDownload();
});
},
startDownload: function(){
this.thinking = true;
// Request the file from the server and b...