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HTML text input allow only numeric input
... function.
function setInputFilter(textbox, inputFilter) {
["input", "keydown", "keyup", "mousedown", "mouseup", "select", "contextmenu", "drop"].forEach(function(event) {
textbox.addEventListener(event, function() {
if (inputFilter(this.value)) {
this.oldValue = this.value;
...
How does lock work exactly?
...tor.Exit(temp);
}
}
You can find more info about what Monitor.Enter does here. To quote MSDN:
Use Enter to acquire the Monitor on
the object passed as the parameter. If
another thread has executed an Enter
on the object but has not yet executed
the corresponding Exit, the current
...
SQL - Select first 10 rows only?
How do I select only the first 10 results of a query?
12 Answers
12
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Unique ways to use the Null Coalescing operator [closed]
...v 10 '08 at 18:25
Cristian LibardoCristian Libardo
9,16333 gold badges3333 silver badges4141 bronze badges
...
How to get process ID of background process?
...f the background process at the time you start it:
foo &
FOO_PID=$!
# do other stuff
kill $FOO_PID
You cannot use job control, since that is an interactive feature and tied to a controlling terminal. A script will not necessarily have a terminal attached at all so job control will not necessa...
Is a LINQ statement faster than a 'foreach' loop?
...st of the times, LINQ will be a bit slower because it introduces overhead. Do not use LINQ if you care much about performance. Use LINQ because you want shorter better readable and maintainable code.
share
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Parallel.ForEach vs Task.Factory.StartNew
...ioner<T> to distribute your collection into work items. It will not do one task per item, but rather batch this to lower the overhead involved.
The second option will schedule a single Task per item in your collection. While the results will be (nearly) the same, this will introduce far mor...
Heap vs Binary Search Tree (BST)
...alue at a given index is also O(1) for the same reason. But if you want to do that, it is likely that you will want to keep an extra index up-to-date on heap operations How to implement O(logn) decrease-key operation for min-heap based Priority Queue? e.g. for Dijkstra. Possible at no extra time cos...
window.location.reload with clear cache [duplicate]
...
reload() is supposed to accept an argument which tells it to do a hard reload, ie, ignoring the cache:
location.reload(true);
I can't vouch for its reliability, you may want to investigate this further.
shar...
Returning binary file from controller in ASP.NET Web API
...the controller method's result to send data back to the client. Therefore, do not use a using (var stream = …) block. Web API will dispose the stream for you.
Make sure that the stream has its current position set to 0 (i.e. the beginning of the stream's data). In the above example, this is a give...