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Why use sprintf function in PHP?
..., specify number format (hex, decimal, octal), number of decimals, padding and more. Google for printf and you'll find plenty of examples. The wikipedia article on printf should get you started.
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why windows 7 task scheduler task fails with error 2147942667
...ogged on everything works fine. but I want to run this task in background and hence i am running it using the option Run whether user is logged on or not . Now when i run the task it is not working. I get following 2 errors. I don't understand this error. Please help me resolve this issue.
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How to cast Object to its actual type?
...e(obj, null);
// interface
IFoo foo = (IFoo)obj; // where SomeType : IFoo and IFoo declares MyFunction
foo.MyFunction();
// dynamic
dynamic d = obj;
d.MyFunction();
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Regular Expression to match only alphabetic characters
... expression which will match a string that only has alphabetic characters, and that alone.
5 Answers
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How to check if Receiver is registered in Android?
...nregisterReceiver(BroadcastReceiver) passing itself as the argument after handling the Intent that it receives.
There is a small chance that the receiver's onReceive(Context, Intent) method is called
more than once, since it is registered with multiple IntentFilters, creating the potential for a...
When correctly use Task.Run and when just async-await
...ait Task.Run(() => DoWork());
Methods that are a mixture of CPU-bound and I/O-bound should have an Async signature with documentation pointing out their CPU-bound nature:
// Documentation: This method is CPU-bound.
Task DoWorkAsync();
Which you would also call using Task.Run (since it is par...
Getting parts of a URL (Regex)
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A single regex to parse and breakup a
full URL including query parameters
and anchors e.g.
https://www.google.com/dir/1/2/search.html?arg=0-a&arg1=1-b&arg3-c#hash
^((http[s]?|ftp):\/)?\/?([^:\/\s]+)((\/\w+)*\/)([\w\-\.]+[^#?\s...
Best way to combine two or more byte arrays in C#
... - 0.0781270 seconds
I increased the size of each array to 100 elements and re-ran the test:
New Byte Array using System.Array.Copy - 0.2812554 seconds
New Byte Array using System.Buffer.BlockCopy - 0.2500048 seconds
IEnumerable<byte> using C# yield operator - 0.0625012 seconds...
Get the latest record from mongodb collection
...t record is fetched when your are limiting the output to just one document and it must be the top document in collection.
– kailash yogeshwar
Nov 23 '16 at 16:58
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Running multiple commands in one line in shell
Say I have a file /templates/apple and I want to
6 Answers
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