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Detect if homebrew package is installed
...rew packages are installed in the system. Is there a way to use a brew command to achieve that?
4 Answers
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Date.getDay() javascript returns wrong day
...ponding to the day of the week: 0 for Sunday, 1 for Monday, 2 for Tuesday, and so on.
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How to avoid warning when introducing NAs by coercion
... answered Feb 20 '13 at 16:38
AndrieAndrie
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How to make gradient background in android
I want to create gradient background where the gradient is in the top half and there's a solid color in the bottom half, like in this image below:
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Jackson how to transform JsonNode to ArrayNode without casting?
I am changing my JSON library from org.json to Jackson and I want to migrate the following code:
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How to get child element by class name?
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Use doc.childNodes to iterate through each span, and then filter the one whose className equals 4:
var doc = document.getElementById("test");
var notes = null;
for (var i = 0; i < doc.childNodes.length; i++) {
if (doc.childNodes[i].className == "4") {
notes = ...
sbt-assembly: deduplication found error
...f needed, read more at
https://github.com/sbt/sbt-assembly#excluding-jars-and-files
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Difference between `npm start` & `node app.js`, when starting app?
I have installed an application using the command express new 'filename' . I have just learned that you can start an application using:
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PL/SQL, how to escape single quote in a string?
...02'')';
The literal quoting mechanism with the Q syntax is more flexible and readable, IMO.
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difference between css height : 100% vs height : auto
...in an interview that "what is the difference between the css height:100% and height:auto ?"
4 Answers
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