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force client disconnect from server with socket.io and nodejs
Is there any way to disconnect a client with SocketIO, and literally close the connection? So if someone is connected to my server, and I want to close the connection between them and my server, how would I go about doing that?
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Has anyone actually implemented a Fibonacci-Heap efficiently?
...of you ever implemented a Fibonacci-Heap ? I did so a few years back, but it was several orders of magnitude slower than using array-based BinHeaps.
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What does SQL clause “GROUP BY 1” mean?
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It means to group by the first column regardless of what it's called. You can do the same with ORDER BY.
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How do I programmatically “restart” an Android app?
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You can use PendingIntent to setup launching your start activity in the future and then close your application
Intent mStartActivity = new Intent(context, StartActivity.class);
int mPendingIntentId = 123456;
PendingIntent mPendingIntent = PendingIntent.getActivity(context, mPendingInt...
How is Math.Pow() implemented in .NET Framework?
...rnalCall
That means that the method is actually implemented in the CLR, written in C++. The just-in-time compiler consults a table with internally implemented methods and compiles the call to the C++ function directly.
Having a look at the code requires the source code for the CLR. You can get that...
Getting “A potentially dangerous Request.Path value was detected from the client (&)”
... dangerous Request.Path value was detected from the client (&)" . The site is written with ASP.Net MVC 3 (in C#) and is running on IIS 7.5.
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Count the number of occurrences of a character in a string in Javascript
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I have updated this answer. I like the idea of using a match better, but it is slower:
console.log(("str1,str2,str3,str4".match(/,/g) || []).length); //logs 3
console.log(("str1,str2,str3,str4".match(new RegExp("str", "g")) || []).length); //logs 4
jsfiddle
Use a regular expression literal if...
REST response code for invalid data
...t choice in both cases. If you want to further clarify the error you can either change the Reason Phrase or include a body to explain the error.
412 - Precondition failed is used for conditional requests when using last-modified date and ETags.
403 - Forbidden is used when the server wishes to pr...
How to run a function when the page is loaded?
... want to run a function when the page is loaded, but I don’t want to use it in the <body> tag.
8 Answers
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Python speed testing - Time Difference - milliseconds
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datetime.timedelta is just the difference between two datetimes ... so it's like a period of time, in days / seconds / microseconds
>>> import datetime
>>> a = datetime.datetime.now()
>>> b = datetime.datetime.now()
>>> c = b - a
>>> c
datetime.time...