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Table header to stay fixed at the top when user scrolls it out of view with jQuery
...Desktop & iOS), not for Chrome
position: sticky;
top: 0;
z-index: 5;
background: #fff;
}
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Ruby: How to turn a hash into HTTP parameters?
...127.0.0.1 at 2011-03-10 11:19:40 -0600 Processing by SitesController#index as HTML Parameters: {"a"=>"a", "b"=>["c", "d", "e"]}
– Gabe Martin-Dempesy
Mar 10 '11 at 17:21
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Better way to shuffle two numpy arrays in unison
...
Your can use NumPy's array indexing:
def unison_shuffled_copies(a, b):
assert len(a) == len(b)
p = numpy.random.permutation(len(a))
return a[p], b[p]
This will result in creation of separate unison-shuffled arrays.
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In MySQL, how to copy the content of one table to another table within the same database?
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+1 - although the new table won't have the index definitions from the first. The "create ... like ..." approach will copy index definitions too.
– Martin
Feb 28 '10 at 12:16
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Overriding class constants vs properties
... and always refers to the class it is being executed in. If you are using php5.3+ you might try static::TEST as static:: is inheritance-aware.
The difference is that static:: uses "late static binding". Find more information here:
http://php.net/manual/en/language.oop5.late-static-bindings.php
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composer: How to find the exact version of a package?
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I know it's an old question, but...
composer.phar show
Will show all the currently installed packages and their version information. (This was shown in previous versions of Composer only when using the now-deprecated -i option.)
To see more details, specify the name of the package as wel...
Create a pointer to two-dimensional array
...e array, you cannot do as a shortcut
matrix_ptr[0][0][1] = ...;
Because indexing requires the element type's size to be known (indexing implies an addition of an integer to the pointer, so it won't work with incomplete types). Note that this only works in C, because T[] and T[N] are compatible ty...
What are the special dollar sign shell variables?
...e are all the environment variables set by the shell.
For a comprehensive index, please see the Reference Manual Variable Index.
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How do I pass command line arguments to a Node.js program?
...ine arguments.
// print process.argv
process.argv.forEach(function (val, index, array) {
console.log(index + ': ' + val);
});
This will generate:
$ node process-2.js one two=three four
0: node
1: /Users/mjr/work/node/process-2.js
2: one
3: two=three
4: four
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How do I configure emacs for editing HTML files that contain Javascript?
...edit an HTML file with both HTML tags and javascript content. I have installed nxhtml and tried using it - i.e set up to use nxhtml-mumamo-mode for .html files. But I am not loving it. When I am editing the Javascript portion of the code the tab indents do not behave as they do when editing C/C...