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In Clojure, when should I use a vector over a list, and the other way around?
...ewbie, but I wondered whether vectors, maps and sets break in some way the idea that all code is interchangeable with data? Or is this just one of those things that makes Clojure a practical Lisp? (OR, can you evaluate a vector?)
– Rob Grant
Feb 25 '14 at 8:00
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JQuery find first parent element with specific class prefix
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BTW, no idea why this was downvoted. The class-prefix selector is brittle, but it will work.
– Matt Ball
Sep 17 '11 at 20:49
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Implementing Comments and Likes in database
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This is a general idea
please don´t pay much attention to the field names styling, but more to the relation and structure
This pseudocode will get all the comments of photo with ID 5
SELECT * FROM actions
WHERE actions.id_Stuff = 5...
Duplicate headers received from server
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It works for me! Commas and spaces are not good idea in filenames!
– Hugo
Feb 2 '17 at 8:52
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how to check the dtype of a column in python pandas
...tioned in answers so far.
So if direct comparing of types is not a good idea - lets try built-in python function for this purpose, namely - isinstance().
It fails just in the beginning, because assumes that we have some objects, but pd.Series or pd.DataFrame may be used as just empty containers w...
How to switch to the new browser window, which opens after click on the button?
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@silver: I have no idea what you are talking about. In my code WindowHandles returns a ReadOnlyCollection<string> for which I can guarantee that the last entry is always the latest opened window. I tested that. If this works perfectly in ...
Should Gemfile.lock be included in .gitignore?
...loy on a Windows server. Tracking Gemfile.lock with git proved to be a bad idea so it did go in my .gitignore file. A lot of gems require different versions for the different environments. Ideally you should avoid ever being in this situation but I had no choice (damn you I.T. department!)
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Markdown and including multiple files
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+1 for the idea and reminder of m4! Funny thing is that when I saw the extensions above as 'md' I was thinking in my head of m4. That you would then include an example is great. I'm not sure if this question asks exactly what I'm after ...
How do I style a dropdown with only CSS?
...lution #3 - Use the pointer-events property (demo)
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(Read more here)
The idea here is to overlay an element over the native drop down arrow (to create our custom one) and then disallow pointer events on it.
Advantage: It works well in WebKit and Gecko. It looks good too (no jutting out option elem...
When to use Tornado, when to use Twisted / Cyclone / GEvent / other [closed]
...I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long polling, WebSockets, and other applications that require a long-lived connection to each user". Tornado stands some where between Django and Flask. If you want to write something with Django or Flask, but if yo...