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what is the difference between ?:, ?! and ?= in regex?
I searched for the meaning of these expressions but couldn't understand the exact difference between them.
This is what they say:
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How do I output an ISO 8601 formatted string in JavaScript?
I have a Date object. How do I render the title portion of the following snippet?
14 Answers
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StringFormat Localization issues in wpf
In WPF 3.5SP1 i use the last feature StringFormat in DataBindings:
10 Answers
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Making TextView scrollable on Android
...requires you to enter an arbitrary number; this isn't something that will work for every screen size and font size? I find it simpler to just wrap it with a ScrollView, meaning I don't have to add any further XML attributes or code (like setting the movement method).
– Christop...
Serializing class instance to JSON
...ject types by default, all built-in types. List here: https://docs.python.org/3.3/library/json.html#encoders-and-decoders
One good solution would be to make your class inherit from JSONEncoder and then implement the JSONEncoder.default() function, and make that function emit the correct JSON for y...
process.waitFor() never returns
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There are many reasons that waitFor() doesn't return.
But it usually boils down to the fact that the executed command doesn't quit.
This, again, can have many reasons.
One common reason is that the process produces some output and you don't read from the ...
Prevent “overscrolling” of web page
In Chrome for Mac, one can "overscroll" a page (for lack of a better word), as shown in the screenshot below, to see "what's behind", similar to the iPad or iPhone.
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How to Customize a Progress Bar In Android
I am working on an app in which I want to show a ProgressBar , but I want to replace the default Android ProgressBar .
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HTTP GET request in JavaScript?
... new XMLHttpRequest();
xmlHttp.open( "GET", theUrl, false ); // false for synchronous request
xmlHttp.send( null );
return xmlHttp.responseText;
}
However, synchronous requests are discouraged and will generate a warning along the lines of:
Note: Starting with Gecko 30.0 (Firefox 3...
What do I use for a max-heap implementation in Python?
Python includes the heapq module for min-heaps, but I need a max heap. What should I use for a max-heap implementation in Python?
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