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What are the dark corners of Vim your mom never told you about? [closed]

.... viwy or viwc. Yank or change current word. Hit w multiple times to keep selecting each subsequent word, use b to move backwards vi{ - select all text in figure brackets. va{ - select all text including {}s vi(p - highlight everything inside the ()s and replace with the pasted text b and e move...
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jQuery UI accordion that keeps multiple sections open?

...o8rx3q/1 I also added some CSS to stop an opened accordion section looking selected when it's expanded – Matthew Lock Sep 2 '14 at 0:07  |  sh...
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How do you reindex an array in PHP?

...like Gumbo posted. However, to answer your question, this function should convert any array into a 1-based version function convertToOneBased( $arr ) { return array_combine( range( 1, count( $arr ) ), array_values( $arr ) ); } EDIT Here's a more reusable/flexible function, should you desire...
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Python division

...hat always pops in my head when I am doing arithmetic operations (should I convert to float and which number), an example from that aspect is presented: >>> a = 1/2/3/4/5/4/3 >>> a 0 When we divide integers, not surprisingly it gets lower rounded. >>> a = 1/2/3/4/5/4/f...
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How to hash some string with sha256 in Java?

... SHA-256 isn't an "encoding" - it's a one-way hash. You'd basically convert the string into bytes (e.g. using text.getBytes(StandardCharsets.UTF_8)) and then hash the bytes. Note that the result of the hash would also be arbitrary binary data, and if you want to represent that in a string, yo...
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Turn off textarea resizing

... As per the question, i have listed the answers in javascript By Selecting TagName document.getElementsByTagName('textarea')[0].style.resize = "none"; By Selecting Id document.getElementById('textArea').style.resize = "none"; ...
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w3wp process not found

... GoTo Web Project properties -> Select (Web) on the left sidebar -> GoTo under (Servers) header -> Click to dropdown and select "Local IIS" and apply. Then, when you start debugging you will see w3wp.exe on the proccess list. ...
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Where is the warnings screen option in Android Studio?

...bar, you click Analyze -> Inspect Code; then in the window that pops up select how much of your project you want to inspect (I usually do Whole Project, but you might want to select a specific module), then click okay. Android Studio will work for a bit, then the inspection window will pop up f...
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Connect to a heroku database with pgadmin

...ase (postgres instance in Heroku), do the following: Login to Heroku, and select the application in which you have the database Select the Resources tab and then click on "Heroku Postgres Ad-on" (see below). This will open up a new tab. Select the Settings tab and then click on "View Credential...
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How to access pandas groupby dataframe by key

...t uses data-structures already available in the groupby object. You can select different columns using the groupby slicing: In [22]: gb[["A", "B"]].get_group("foo") Out[22]: A B 0 foo 1.624345 2 foo -0.528172 4 foo 0.865408 In [23]: gb["C"].get_group("foo") Out[23]: 0 5 2 ...