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Fade/dissolve when changing UIImageView's image
...
Edit: there is a better solution from @algal below.
Another way to do this is by using predefined CAAnimation transitions:
CATransition *transition = [CATransition animation];
transition.duration = 0.25;
transition.timingFunction = [CAMediaTimingFunction f...
How to dismiss keyboard iOS programmatically when pressing return
...Application.sharedApplication().sendAction("resignFirstResponder", to:nil, from:nil, forEvent:nil)
Swift 3
UIApplication.shared.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
...
Django import error - no module named django.conf.urls.defaults
... problem was in your own code, you would fix it by changing the import to
from django.conf.urls import patterns, url, include
However, in your case the problem is in a third party app, graphite. The issue has been fixed in graphite's master branch and version 0.9.14+.
In Django 1.8+ you can remo...
Java: Detect duplicates in ArrayList?
...of detecting the elements in a 2D array be the same? For example, checking from array[0][0] to array[0][6] (a 'row')..? Many thanks, Terry
– Terry
Feb 18 '09 at 21:29
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How to execute mongo commands through shell scripts?
...u'll want to surround the eval argument in single quotes to keep the shell from evaluating the operator as an environment variable:
mongo --eval 'db.mycollection.update({"name":"foo"},{$set:{"this":"that"}});' myDbName
Otherwise you may see something like this:
mongo --eval "db.test.update({\"na...
CSS hexadecimal RGBA?
...re of CSS colours?
This means that assuming this isn't completely removed from the Level 4 document, we'll soon be able to define our RGBA colours (or HSLA colours, if you're one of those guys) in hexadecimal format in browsers which support the Color Module Level 4's syntax.
Example
elem {
b...
Why isn't String.Empty a constant?
...ral would mean
that it doesn't show up as a field
which we can access from native.
I found this information from this handy article at CodeProject.
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Undefined, unspecified and implementation-defined behavior
...cts of the C and C++ language that can be surprising to programmers coming from other languages (other languages try to hide it better). Basically, it is possible to write C++ programs that do not behave in a predictable way, even though many C++ compilers will not report any errors in the program!...
Looping in a spiral
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C++ anyone? Quick translation from python, posted for completeness
void Spiral( int X, int Y){
int x,y,dx,dy;
x = y = dx =0;
dy = -1;
int t = std::max(X,Y);
int maxI = t*t;
for(int i =0; i < maxI; i++){
if ((-X/2 <= ...
What's the recommended way to extend AngularJS controllers?
...ntroller="complexController as C">
<span><b>Origin from Controller:</b> {{C.getOrigin()}}</span>
</div>
</div>
Although $document is not passed into 'simpleController' when it is created by 'complexController' $document is injected for us....