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Why do we have map, fmap and liftM?
...he Functor class is too common to ignore, and beginners are often confused by error messages anyway!
– C. A. McCann
Sep 18 '11 at 19:30
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What does && mean in void *p = &&abc;
... Now imagine how better programmers everyone would be if gcc had -pedantic by default. Then people would learn C instead of irrelevant information about gnus.
– Lundin
May 24 '11 at 6:40
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Is there “Break on Exception” in IntelliJ?
...n the breakpoints dialog in IntelliJ IDEA.
The exceptions can be filtered by condition or class if desired, or by whether you are interested in caught or uncaught exceptions.
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Checking if a folder exists (and creating folders) in Qt, C++
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Download multiple files with a single action
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You can create a temporary set of hidden iframes, initiate download by GET or POST inside of them, wait for downloads to start and remove iframes:
<!DOCTYPE HTML>
<html>
<body>
<button id="download">Download</button>
<script type="text/javascript" src="...
Java Enum Methods - return opposite direction enum
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For those lured here by title: yes, you can define your own methods in your enum. If you are wondering how to invoke such non-static method, you do it same way as with any other non-static method - you invoke it on instance of type which defines ...
How do you rebase the current branch's changes on top of changes being merged in?
... @Jonathan it's cool. This is a little bit of a tricky topic. By the way, git rebase working would move master's changes (after the point that working branched off) to be on top of the working branch — but that's not a very sensible thing to do to master :)
– hob...
How to reference a .css file on a razor view?
...tion, and inside the header you could have a styles like the one mentioned by mofidul. What I do is I work with sass, so each view has a separate class container. In that way I created sass pages for each section, which in the end is more structured and organized.
– Leo
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TimePicker Dialog from clicking EditText
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eReminderTime.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Calendar mcurrentTime = Calendar.getInstance();
int hour = mcurrentTime.get(Calendar.HOUR_OF_DAY);
i...
Rails “validates_uniqueness_of” Case Sensitivity
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Process B does the same thing
Process A validates the uniqueness of 'foo' by asking the DB if that name exists yet and the DB says the name doesn't exist yet.
Process B does the same thing and gets the same response
Process A submits the insert statement for the new record and succeeds
If you have ...