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“java.lang.OutOfMemoryError : unable to create new native Thread”
...ads created. The default Thread Stack Size for JRockit 1.5/1.6 is 1 MB for 64-bit VM on Linux OS. 32K threads will require a significant amount of physical and virtual memory to honor this requirement.
Try to reduce the Stack Size to 512 KB as a starting point and see if it helps creating more thr...
Django: Why do some model fields clash with each other?
...
The OP isn't using a abstract base class... but if you are, you will find that hard coding the related_name in the FK (e.g. ..., related_name="myname") will result in a number of these conflict errors - one for each inherited class from the base class. Th...
Implementing IDisposable correctly
...Below example elaborate all above.
public class DisposeExample
{
// A base class that implements IDisposable.
// By implementing IDisposable, you are announcing that
// instances of this type allocate scarce resources.
public class MyResource: IDisposable
{
// Pointer...
How can I find unused images and CSS styles in a website? [closed]
... unused CSS across many pages on a web
site.
The tool is javascript-based and runs from the browser.
Helium accepts a list of URLs for different sections of a site then
loads and parses each page to build up a list of all stylesheets. It
then visits each page in the URL list and chec...
Passing parameters to addTarget:action:forControlEvents
...
I made a solution based in part by the information above. I just set the titlelabel.text to the string I want to pass, and set the titlelabel.hidden = YES
Like this :
UIButton *imageclick = [[UIButton buttonWithType:UIButtonTypeCustom] retai...
Check image width and height before upload with Javascript
.../Initiate the JavaScript Image object.
var image = new Image();
//Set the Base64 string return from FileReader as source.
image.src = e.target.result;
//Validate the File Height and Width.
image.onload = function () {
var height = this.height;
var width = this.width;
if (height > 100 || w...
Simulating tremor (from e.g. Parkinson's Disease) with the mouse on a webpage?
...
I made a quick demo of something that you hopefully should be able to base your code on, using the Pointer Lock API.
I forked this pointer-lock-demo repo and modified it to add a random movement element.
Here is the link to my GitHub page: https://aristocrates.github.io/pointer-lock-demo
And ...
Concept behind these four lines of tricky C code
...The number 7709179928849219.0 has the following binary representation as a 64-bit double:
01000011 00111011 01100011 01110101 01010011 00101011 00101011 01000011
+^^^^^^^ ^^^^---- -------- -------- -------- -------- -------- --------
+ shows the position of the sign; ^ of the exponent, and - of t...
Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari
...k, with the C# implementation of Android well and truly trouncing the Java-based Dalvik.
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Checking if sys.argv[x] is defined
...h = sys.argv[1]
else:
blah = 'blah'
Some people prefer the exception-based approach you've suggested (eg, try: blah = sys.argv[1]; except IndexError: blah = 'blah'), but I don't like it as much because it doesn't “scale” nearly as nicely (eg, when you want to accept two or three arguments)...