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Are there legitimate uses for JavaScript's “with” statement?
...ck"
Declaring a closure in a loop is a common task where this can lead to errors:
for (var i=0; i<3; ++i)
{
var num = i;
setTimeout(function() { alert(num); }, 10);
}
Because the for loop does not introduce a new scope, the same num - with a value of 2 - will be shared by all three functi...
What's the dSYM and how to use it? (iOS SDK)
... 0x00000001045a0e70 BLEConnection.peripheral(_:didUpdateValueFor:error:) + 69232 (BLEConnection.swift:293)
10 F49088168M 0x00000001045a0f4c @objc BLEConnection.peripheral(_:didUpdateValueFor:error:) + 69452 (<compiler-generated>:0)
By default dSYM is generated ...
Enabling auto layout in iOS 6 while remaining backwards compatible with iOS 5
...eployment target set to an iOS version prior to 6.0 results in compilation errors, e.g.:
Error in MainStoryboard.storyboard:3: Auto Layout on iOS Versions prior to 6.0
One of your options to use autolayout in a project and still preserve compatibility with iOS4-5 is to create two targets: one ...
IntelliJ and Tomcat…changed files are not automatically recognized by Tomcat
...
I have error: Error: Artifact 'my-webapp-name:war exploded' has invalid extension how to fix ?
– Anton Dozortsev
Mar 1 '14 at 18:35
...
Getting the last element of a list
...list
[1, 3, 5]
Note that getting a list item by index will raise an IndexError if the expected item doesn't exist. This means that some_list[-1] will raise an exception if some_list is empty, because an empty list can't have a last element.
...
REST API - why use PUT DELETE POST GET?
...ou to use it as you see fit. I'd suggest taking advantage of all of HTTP's error codes and request methods, but you're allowed to do it however you want
– zzzzBov
Jan 1 '11 at 16:15
...
Wait for all promises to resolve
... successCallback
changeSrc.bind(null, true, y),
// errorCallback
changeSrc.bind(null, false, y)
)
);
}
$q.all(promise_array)
.then(
function() {
console.log('all promises have returned with either success or failure!');
render(cont...
Comparing object properties in c# [closed]
...perties which throw exception in other case. Here is the criteria for this error: pi.GetIndexParameters().Length == 0. And the second criteria to resolve the problem stated by @RyanThomas is this: pi.GetUnderlyingType().IsSimpleType(). As you will see, IsSimpleType is and extension that not exist fo...
When to use generic methods and when to use wild-card?
...add(o); // correct
}
}
But the following will result in compile time error.
static <T> void fromArrayToCollection(T[] a, Collection<?> c) {
for (T o : a) {
c.add(o); // compile time error
}
}
Performance differences between debug and release builds
...ld run perfectly fine in Debug mode, but given the exact same input, would error out in Release mode. These bugs are EXTREMELY difficult to debug (by definition of Release mode, ironically).
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