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Writing your own STL Container
...edef typename A::const_reference const_reference;
typedef typename A::difference_type difference_type;
typedef typename A::size_type size_type;
class iterator {
public:
typedef typename A::difference_type difference_type;
typedef typename A::value_type value_type;
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How to determine the screen width in terms of dp or dip at runtime in Android?
...the layout of the android widgets using dip/dp (in java files). At runtime if I code,
int pixel=this.getWindowManager().getDefaultDisplay().getWidth() ;
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Why is Java's boolean primitive size not defined?
The Java Virtual Machine Specification says that there is limited support for boolean primitive types.
7 Answers
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Difference between static class and singleton pattern?
What real (i.e. practical) difference exists between a static class and a singleton pattern?
39 Answers
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What is the string length of a GUID?
...ore about the intricacies of GUIDs here.
You will need two more in length if you want to store the braces.
Note: 36 is the string length with the dashes in between. They are actually 16-byte numbers.
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Running Command Line in Java [duplicate]
...at with pr.waitFor(). So it looks like this: int retVal = pr.waitFor(). So if it's not 0, you can abort / clean up.
– Apache
Dec 10 '13 at 15:32
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Logging Clientside JavaScript Errors on Server [closed]
...to tell the server what went wrong, however since it's not part of any specification, support is somewhat flaky.
Here's an example from Using XMLHttpRequest to log JavaScript errors:
window.onerror = function(msg, url, line)
{
var req = new XMLHttpRequest();
var params = "msg=" + encodeURIComp...
Cannot send a content-body with this verb-type
...m was I used .WithHeader("Content-Type", "application/json") when creating IFlurlRequest.
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What is the memory consumption of an object in Java?
..., with any amount of padding or overhead, though primitives must behave as if they had the official sizes.
For example, the JVM or native compiler might decide to store a boolean[] in 64-bit long chunks like a BitSet. It does not have to tell you, so long as the program gives the same answers.
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How to hide one item in an Android Spinner
...at the onItemSelected() callback is always called for every item selected (if the hidden item is the "current" one). Normally there is always one item in the spinner that doesn't generate a callback, namely the current one.
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