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How to add pandas data to an existing csv file?
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584
You can specify a python write mode in the pandas to_csv function. For append it is 'a'.
In you...
How to remove focus border (outline) around text/input boxes? (Chrome) [duplicate]
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2442
This border is used to show that the element is focused (i.e. you can type in the input or pre...
Reading a key from the Web.Config using ConfigurationManager
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483
Try using the WebConfigurationManager class instead. For example:
string userName = WebConfig...
WCF on IIS8; *.svc handler mapping doesn't work
I'm trying to get a wcf service running in IIS8 on 2012 build 8400.
12 Answers
12
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What is the most effective way for float and double comparison?
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463
Be extremely careful using any of the other suggestions. It all depends on context.
I have s...
How can I make Bootstrap columns all the same height?
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Solution 4 using Bootstrap 4
Bootstrap 4 uses Flexbox so there is no need for extra CSS.
Demo
<div class="container">
<div class="row ">
<div class="col-md-4" style="background-color: red">
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Devise Secret Key was not set
I am developing a Rails 4 app using the Active Admin gem for the administration back end. Active Admin in turn uses Devise for user authentication. Now, when I try to deploy the app using capistrano on the VPS server, I get the below error:
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How to set the thumbnail image on HTML5 video?
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Add poster="placeholder.png" to the video tag.
<video width="470" height="255" poster="placeholder.png" controls>
<source src="video.mp4" type="video/mp4">
<source src="video.ogg" type="video/ogg">
<source src="video.webm" type="video/webm">
<obj...
How to access the ith column of a NumPy multidimensional array?
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724
>>> test[:,0]
array([1, 3, 5])
Similarly,
>>> test[1,:]
array([3, 4])
le...
What encoding/code page is cmd.exe using?
...utput in the default codepage? Total garbage!
Z:\andrew\projects\sx\1259084>chcp
Active code page: 850
Z:\andrew\projects\sx\1259084>java Foo
== UTF-8
= no bom
ASCII abcde xyz
German ├ñ├Â├╝ ├ä├û├£ ├ƒ
Polish ąęźżńł
Russian ð░ð▒...