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How to identify CAAnimation within the animationDidStop delegate?
...r's technique is too complicated. Why not take advantage of the forKey parameter in addAnimation? It was intended for this very purpose. Just take out the call to setValue and move the key string to the addAnimation call. For example:
[[hearingAidHalo layer] addAnimation:animation forKey:@"Throb"];...
Reconnection of Client when server reboots in WebSocket
I am using web socket using PHP5 and the Chrome browser as client.
I have taken the code from the site http://code.google.com/p/phpwebsocket/ .
...
How to clear MemoryCache?
I have created a cache using the MemoryCache class. I add some items to it but when I need to reload the cache I want to clear it first. What is the quickest way to do this? Should I loop through all the items and remove them one at a time or is there a better way?
...
How to redirect 'print' output to a file using python?
...file object:
with open('out.txt', 'w') as f:
print >> f, 'Filename:', filename # Python 2.x
print('Filename:', filename, file=f) # Python 3.x
However, redirecting stdout also works for me. It is probably fine for a one-off script such as this:
import sys
orig_stdout = sys.s...
Angular JS: What is the need of the directive’s link function when we already had directive’s contro
I need to perform some operations on scope and the template. It seems that I can do that in either the link function or the controller function (since both have access to the scope).
...
Why do I need to do `--set-upstream` all the time?
...
A shortcut, which doesn't depend on remembering the syntax for git branch --set-upstream 1 is to do:
git push -u origin my_branch
... the first time that you push that branch. Or, to push to the current branch to a branch of the same name (handy for an alias):...
How do I make a placeholder for a 'select' box?
... This answer makes the option gray in the drop down; but not the select element.
– Bill
Feb 8 '14 at 23:01
23
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C# operator overload for `+=`?
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Overloadable Operators, from MSDN:
Assignment operators cannot be overloaded, but +=, for example, is evaluated using +, which can be overloaded.
Even more, none of assignment operators can be overloaded. I think this is because there will be an effect for the Ga...
Two sets of parentheses after function call
...
It means that the first function ($filter) returns another function and then that returned function is called immediately. For Example:
function add(x){
return function(y){
return x + y;
};
}
var addTwo = add(2);
add...
How to style dt and dd so they are on the same line?
... background: #dd0
padding: 0;
margin: 0
}
<dl>
<dt>Mercury</dt>
<dd>Mercury (0.4 AU from the Sun) is the closest planet to the Sun and the smallest planet.</dd>
<dt>Venus</dt>
<dd>Venus (0.7 AU) is close in size to Earth, (0.815 Ea...