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How to determine whether a Pandas Column contains a particular value
...lumn 43 in df['id'] it still returned True . When I subset to a data fram>me m> only containing entries matching the missing id df[df['id'] == 43] there are, obviously, no entries in it. How to I determine if a column in a Pandas data fram>me m> contains a particular value and why doesn't my current m>me m>th...
Is it possible to use JavaScript to change the m>me m>ta-tags of the page?
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Yes, you can do that.
There are som>me m> interesting use cases: Som>me m> browsers and plugins parse m>me m>ta elem>me m>nts and change their behavior for different values.
Examples
Skype: Switch off phone number parser
<m>me m>ta nam>me m>="SKYPE_TOOLBAR" content="SKYPE_TOOLBAR_PA...
How to properly create composite primary keys - MYSQL
...tense setup I am working with. table_1 and table_2 both have auto-increm>me m>nt surrogate primary keys as the ID. info is a table that contains information about both table_1 and table_2 .
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Convert string to binary in python
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Som>me m>thing like this?
>>> st = "hello world"
>>> ' '.join(format(ord(x), 'b') for x in st)
'1101000 1100101 1101100 1101100 1101111 100000 1110111 1101111 1110010 1101100 1100100'
#using `bytearray`
>>&...
How do I associate a Vagrant project directory with an existing VirtualBox VM?
Som>me m>how my Vagrant project has disassociated itself from its VirtualBox VM, so that when I vagrant up Vagrant will import the base-box and create a new virtual machine.
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Comparing two datafram>me m>s and getting the differences
I have two datafram>me m>s. Examples:
13 Answers
13
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Resize UIImage by keeping Aspect ratio and width
...eight should be taken automatically based on the aspect ratio.
anyone help m>me m> to achieve this.
19 Answers
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How to automatically crop and center an image
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One solution is to use a background image centered within an elem>me m>nt sized to the cropped dim>me m>nsions.
Basic example
.center-cropped {
width: 100px;
height: 100px;
background-position: center center;
background-repeat: no-repeat;
}
<div class="center-cropped"
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Check if a Bash array contains a value
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This approach has the advantage of not needing to loop over all the elem>me m>nts (at least not explicitly). But since array_to_string_internal() in array.c still loops over array elem>me m>nts and concatenates them into a string, it's probably not more efficient than the looping solutions proposed, but ...
WSDL vs REST Pros and Cons
...OAP(using WSDL) is a heavy-weight XML standard that is centered around docum>me m>nt passing. The advantage with this is that your requests and responses can be very well structured, and can even use a DTD. The downside is it is XML, and is very verbose. However, this is good if two parties need to ha...