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Event system in Python
What event system for Python do you use? I'm already aware of pydispatcher , but I was wondering what else can be found, or is commonly used?
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How to fallback to local stylesheet (not script) if CDN fails
...is as follows:
1) Add a special rule to the end of your CSS file, like:
#foo { display: none !important; }
2) Add the corresponding div in your HTML:
<div id="foo"></div>
3) On document ready, check whether #foo is visible or not. If the stylesheet was loaded, it will not be visib...
How to generate and validate a software license key?
I'm currently involved in developing a product (developed in C#) that'll be available for downloading and installing for free but in a very limited version. To get access to all the features the user has to pay a license fee and receive a key. That key will then be entered into the application to "u...
Is it ok to use dashes in Python files when trying to import them?
...be valid variable names ("identifiers") -- that means if you have a module foo_bar, you can use it from within Python (print foo_bar). You wouldn't be able to do so with a weird name (print foo-bar -> syntax error).
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What does Redis do when it runs out of memory?
...ion but I am having a hard time finding the answer. How does Redis 2.0 handle running out of maximum allocated memory? How does it decide which data to remove or which data to keep in memory?
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Getting the name of a child class in the parent class (static context)
... var_dump(get_class($this));
var_dump(get_class());
}
}
class foo extends bar {
}
new foo;
?>
The above example will output:
string(3) "foo"
string(3) "bar"
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How can I have a newline in a string in sh?
...lity, doing away with all the problems.
So to get a newline in a string:
FOO="hello
world"
BAR=$(printf "hello\nworld\n") # Alternative; note: final newline is deleted
printf '<%s>\n' "$FOO"
printf '<%s>\n' "$BAR"
There! No SYSV vs BSD echo madness, everything gets neatly printed and...
How to run travis-ci locally
...ed a project, and I'm new to travis-ci. I'd rather not have to push every little change to .travis.yml and every little change I make to the source in order to run the build. With jenkins you can download jenkins and run locally. Does travis offer something like this?
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How to un-submodule a Git submodule?
...re about to merge into: ie. if your submodule in the main repository is in foo/, in the submodule, perform mkdir foo && git mv !(foo) foo && git commit.
– Chris Down
Oct 11 '13 at 7:27
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Why is there no logical xor in JavaScript?
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there is... sort of:
if( foo ? !bar : bar ) {
...
}
or easier to read:
if( ( foo && !bar ) || ( !foo && bar ) ) {
...
}
why? dunno.
because javascript developers thought it would be unnecessary as it can be expressed by oth...