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How to override the [] operator in Python?
...elf, key):
return key * 2
myobj = MyClass()
myobj[3] #Output: 6
And if you're going to be setting values you'll need to implement the __setitem__ method too, otherwise this will happen:
>>> myobj[5] = 1
Traceback (most recent call last):
File "<stdin>", line 1, in <mo...
How can I respond to the width of an auto-sized DOM element in React?
I have a complex web page using React components, and am trying to convert the page from a static layout to a more responsive, resizable layout. However, I keep running into limitations with React, and am wondering if there's a standard pattern for handling these issues. In my specific case, I have ...
How to execute shell command in Javascript
...ant to write a JavaScript function which will execute the system shell commands ( ls for example) and return the value.
13...
Macro vs Function in C
I always saw examples and cases where using a macro is better than using function.
11 Answers
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Twitter Bootstrap CSS affecting Google Maps
I'm using Twitter Bootstrap, and have a Google map.
11 Answers
11
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Adding a public key to ~/.ssh/authorized_keys does not log me in automatically
...
You need to verify the permissions of the authorized_keys file and the folder / parent folders in which it is located.
chmod 700 ~/.ssh
chmod 600 ~/.ssh/authorized_keys
For more information see this page.
You may also need to change/verify the permissions of your home directory to re...
Unable to install Maven on Windows: “JAVA_HOME is set to an invalid directory”
...at the directory "E:\java resources\apache-maven-2.2.0\bin" is on your command search path.
Make sure that the JAVA_HOME variable refers to the home directory for your Java installation. If you are executing Java from "E:\Sun\SDK\jdk\bin", then the JAVA_HOME variable needs to point to "E:\Sun\SDK\...
How to trigger XDebug profiler for a command line PHP script?
...r POST parameter "XDEBUG_PROFILE" when calling a script via HTTP. This is handy if you don't want profiling for ALL of your scripts but only for a few special cases without always changing your PHP configuration.
...
JavaScript listener, “keypress” doesn't detect backspace?
...etc.
UPDATE:
The keypress event is fired when a key is pressed down and that key normally produces a character value
Reference.
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How to remove indentation from an unordered list item?
...
Set the list style and left padding to nothing.
ul {
list-style: none;
padding-left: 0;
}
ul {
list-style: none;
padding-left: 0;
}
<ul>
<li>a</li>
<li>b</li>
<li>c</li&g...