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What is the most frequent concurrency issue you've encountered in Java? [closed]
This is a poll of sorts about common concurrency problems in Java. An example might be the classic deadlock or race condition or perhaps EDT threading bugs in Swing. I'm interested both in a breadth of possible issues but also in what issues are most common. So, please leave one specific answer o...
What are the best use cases for Akka framework [closed]
I have heard lots of raving about Akka framework (Java/Scala service platform), but so far have not seen many actual examples of use cases it would be good for. So I would be interested in hearing about things developers have used it succesfully.
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Literal notation for Dictionary in C#?
... need to make a new Dictionary<string, string> object first as the shortcut syntax is translated to a bunch of Add() calls (like your code):
var data = new Dictionary<string, string>
{
{ "test", "val" },
{ "test2", "val2" }
};
In C# 6, you now have the option of using a more ...
Ruby: Change negative number to positive number?
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my answer is just for negative numbers, if you need to always have the absolute value then this is definitely the better way.
– Brandon Bodnar
Mar 19 '10 at 22:41
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How to modify a global variable within a function in bash?
I'm working with this:
8 Answers
8
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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
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Short answer: portability.
While __arglist, __makeref, and __refvalue are language extensions and are undocumented in the C# Language Specification, the constructs used to implement them under the hood (vararg calling conventio...
Is there an MD5 Fixed Point where md5(x) == x?
Is there a fixed point in the MD5 transformation, i.e. does there exist x such that md5(x) == x ?
7 Answers
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Creating an empty bitmap and drawing though canvas in Android
.../ ready to draw on that bitmap through that canvas
Here's a series of tutorials I've found on the topic: Drawing with Canvas Series
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What's wrong with Java Date & Time API? [closed]
... it rates years as two digits since 1900. There are literally millions of workarounds doing 1900+ (or 1900-) in the Java world as a result of this banal decision.
Months are zero indexed, to cater for the spectacularly unusual case of having an array-of-months and not living with a thirteen element ...
jQuery: Get height of hidden element in jQuery
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You could do something like this, a bit hacky though, forget position if it's already absolute:
var previousCss = $("#myDiv").attr("style");
$("#myDiv").css({
position: 'absolute', // Optional if #myDiv is already absolute
visibility: 'hidden',
display: 'block...