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SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...n solved my issue to send a message to a specific logged user. Its simple, fast and easy to understand. I would upvote this answer several times if i could.
– Rafael A. M. S.
Mar 31 '15 at 18:03
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Set cURL to use local virtual hosts
...the native windows build included with PHP 5.3 for windows (Running as php_fastcgi).
– Xeoncross
Aug 5 '10 at 15:42
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Comparing two collections for equality irrespective of the order of items in them
...If the collections have certain properties, you may be able to implement a faster solution. For example, if both of your collections are hash sets, they cannot contain duplicates. Also, checking whether a hash set contains some element is very fast. In that case an algorithm similar to yours would l...
Is it possible to dynamically compile and execute C# code fragments?
...hunk of code compiles at normal priority in 2-10 seconds on our relatively fast server. You should never tie calls to CompileAssemblyFromSource() to anything with normal performance expectations, like a web request. Instead, proactively compile code you need on a low-priority thread and have a way o...
How to sort with lambda in Python
... argument and returns a key to use for sorting purposes. This technique is fast because the key function is called exactly once for each input record.
So, key functions have a parameter key and it can indeed receive a lambda function.
In Real Python there's a nice example of its usage. Let's say yo...
Macro vs Function in C
...which reduces the effectiveness of the CPU instruction cache. We can make fast generic data structures in C without using these techniques.
– Sam Watkins
Jun 26 '15 at 3:24
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When should one use RxJava Observable and when simple Callback on Android?
...to do a webcall every time an EditText has a TextChangedEvent. When typing fast, only the last element should trigger the call.
On RxJava we can use the debounce operator:
inputObservable.debounce(1, TimeUnit.SECONDS).subscribe(new Action1<String>() {
@Override
public ...
Calculate difference in keys contained in two Python dictionaries
... are any keys which are present in dictB but not in dictA . What is the fastest way to go about it?
21 Answers
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Why does Math.Round(2.5) return 2 instead of 3?
...ou always round a 0.5 number in the same direction, the errors will accrue faster (round-to-even is supposed to minimize that) (a).
Follow these links for the MSDN descriptions of:
Math.Floor, which rounds down towards negative infinity.
Math.Ceiling, which rounds up towards positive infinity.
Ma...
How to disable the application pool idle time-out in IIS7?
...ook 15 seconds or so. i've now upped it to 600 and everything is blazingly fast again.
– nailitdown
Oct 26 '12 at 2:51
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