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What is the difference between window, screen, and document in Javascript?
... window object and has properties available to it like title, URL, cookie, etc. What does this really mean? That means if you want to access a property for the window it is window.property, if it is document it is window.document.property which is also available in short as document.property.
Th...
window.onload vs
...l of the common JavaScript libraries, Prototype, ExtJS, Dojo, JQuery, YUI, etc. provide nice wrappers around events that occur as the document is loaded. You can listen for the window onLoad event, and react to that, but onLoad is not fired until all resources have been downloaded, so your event han...
Is there a list of screen resolutions for all Android based phones and tablets? [closed]
...s with larger aspect ratio.
Most likely, you would instead design it to stretch over the 1.333 to 1.778 range. But sometimes part of your design looks too distorted then.
Advanced layout ideas:
For text, you can design for 1.3333, then increase line spacing for 1.666 - though that will loo...
Why doesn't Java allow overriding of static methods?
... are attached to an instance while static methods are attached to a class, etc etc. Still, consider the following code:
public class RegularEmployee {
private BigDecimal salary;
public void setSalary(BigDecimal salary) {
this.salary = salary;
}
public static BigDecimal get...
How to import a module given the full path?
...on path can contain zip archives, "eggs" (a complex kind of zip archives), etc. Modules can be imported out of them. So the path elements are indeed containers of files, but they are not necessarily directories.
– alexis
Apr 30 '15 at 21:21
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Unnecessary curly braces in C++?
...p myself happy (i.e. to separate out unrelated concerns, variable locality etc.), I use just this technique as elaborated by @unwind.
– ossandcad
Mar 16 '12 at 15:58
21
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Email validation using jQuery
...ins becoming more common this regex may need modifying .systems and .poker etc are all valid TLDs now but would fail the regex check
– Liath
Sep 5 '14 at 7:35
3
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Unit testing with Spring Security
...ent: session-scoped in a Servlet container, thread-scoped in a JUnit test, etc. The real limiting factor of a Singleton is when it provides an implementation that is inflexible to different environments.
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Programmatically find the number of cores on a machine
...umCPU = sysconf(_SC_NPROCESSORS_ONLN);
FreeBSD, MacOS X, NetBSD, OpenBSD, etc.
int mib[4];
int numCPU;
std::size_t len = sizeof(numCPU);
/* set the mib for hw.ncpu */
mib[0] = CTL_HW;
mib[1] = HW_AVAILCPU; // alternatively, try HW_NCPU;
/* get the number of CPUs from the system */
sysctl(mib, ...
How to Correctly Use Lists in R?
...where the first element is a character vector, the second is a data frame, etc. In this case, you have created two different lists. x has four vectors, each of length 1. x2 has 1 vector of length 4:
> length(x[[1]])
[1] 1
> length(x2[[1]])
[1] 4
So these are completely different lists.
R l...