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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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subtract two times in python
...datetime(1,1,1,0,0,0) instead of date.today().
– Akavall
Mar 7 '14 at 18:54
27
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Difference between viewDidLoad and viewDidAppear
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viewDidLoad is called exactly once, when the view controller is first loaded into memory. This is where you want to instantiate any instance variables and build any views that live for the entire lifecycle of this view controller. However, t...
How do I avoid the specification of the username and password at every git push?
... #Your home directory
ssh-keygen -t rsa #Press enter for all values
For Windows
(Only works if the commit program is capable of using certificates/private & public ssh keys)
Use Putty Gen to generate a key
Export the key as an open SSH key
Here is a walkthrough on putty ...
Excel Date to String conversion
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Full reference to the TEXT function especially to know how to set formats: see Guidelines for date and time formats on this page office.microsoft.com/en-us/excel-help/…
– codea
Sep 9 '13 at 21:07
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Precedence and bitmask operations
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You are actually doing this:
var_dump(0b10 & (0b01 == 0));
var_dump(0b10 & (0b01 != 0));
Try:
var_dump((0b10 & 0b01) == 0);
var_dump((0b10 & 0b01) != 0);
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Cross-browser window resize event - JavaScript / jQuery
...r the sake of UI responsiveness, you might consider using a setTimeout to call your code only after some number of milliseconds, as shown in the following example, inspired by this:
function doSomething() {
alert("I'm done resizing for the moment");
};
var resizeTimer;
$(window).resize(functio...
How can I import Swift code to Objective-C?
...le file is an autogenerated header that defines Objective-C interfaces for all Swift classes in your project that are either annotated with @objc or inherit from NSObject.
Considerations:
If your target name contains spaces, replace them with underscores (e.g. My Project becomes My_Project-Swift....
Setting background colour of Android layout element
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You can use simple color resources, specified usually inside res/values/colors.xml.
<color name="red">#ffff0000</color>
and use this via android:background="@color/red". This color can be used anywhere else too, e.g. as a text color. Reference it in XML the s...
Android SQLite: nullColumnHack parameter in insert/replace methods
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Let's suppose you have a table named foo where all columns either allow NULL values or have defaults.
In some SQL implementations, this would be valid SQL:
INSERT INTO foo;
That's not valid in SQLite. You have to have at least one column specified:
INSERT INTO foo (s...