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Create an empty list in python with certain size
...st comprehension (Using the squares because for range you don't need to do all this, you can just return range(0,9) ):
>>> def display():
... return [x**2 for x in range(9)]
...
>>> print display()
[0, 1, 4, 9, 16, 25, 36, 49, 64]
...
jQuery exclude elements with certain class in selector
... text-align: center;
}
.navitem.active
{
background:green;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="navitem">Home</div>
<div class="navitem">About</div>
<div class="navitem">Pricing...
Strings in a DataFrame, but dtype is object
...perimental", but if you're using pandas to perform exploratory analyses in scripts whose life time do not increase a work day, then those concerns should mean little to you.
– fuglede
Apr 19 at 8:57
...
How to dynamically create a class?
...ou can modify GetTypeBuilder() method and change moduleBuilder.DefineType call to include the static type as the last parameter (is null now)
– danijels
Oct 5 '10 at 9:49
2
...
How to list the contents of a package using YUM?
...
There is a package called yum-utils that builds on YUM and contains a tool called repoquery that can do this.
$ repoquery --help | grep -E "list\ files"
-l, --list list files in this package/group
Combined into one example:
$ r...
npm check and update package if needed
...est runner into TeamCity and for that I'd like to give sys-engineers small script (powershell or whatever) that would:
11 A...
Rails migration for change column
We have script/generate migration add_fieldname_to_tablename fieldname:datatype syntax for adding new columns to a model.
...
Change SQLite database mode to read-write
...ontaining the database file is also writable to the user executing the CGI script." I think this is because the engine needs to create more files in the directory.
The whole filesystem might be read only, for example after a crash.
On Unix systems, another process can replace the whole file.
...
Getting visitors country from their IP
...
why im getting unknow all the time with every ip ? , used same code.
– echo_Me
Feb 18 '14 at 18:12
1
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“Unsafe JavaScript attempt to access frame with URL…” error being continuously generated in Chrome w
Chrome (or any other webkit browser) throws a ton of these "Unsafe JavaScript attempt to access frame with URL..." when working with the Facebook API for example.
...