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parseInt(null, 24) === 23… wait, what?
... specified radix (base). For example, a
radix of 10 indicates to convert from
a decimal number, 8 octal, 16
hexadecimal, and so on. For radices
above 10, the letters of the alphabet
indicate numerals greater than 9. For
example, for hexadecimal numbers (base
16), A through F are used.
...
How do you round a floating point number in Perl?
...ternally it
uses the Math::Complex module and some functions can break out from the
real axis into the complex plane, for example the inverse sine of 2.
Rounding in financial applications can have serious implications, and
the rounding method used should be specified precisely. In these
cases, it ...
Why is arr = [] faster than arr = new Array?
...
Further expanding on previous answers...
From a general compilers perspective and disregarding VM-specific optimizations:
First, we go through the lexical analysis phase where we tokenize the code.
By way of example, the following tokens may be produced:
[]: ARRA...
How to share my Docker-Image without using the Docker-Hub?
...kerfile creates a layer. You can also create layers by using docker commit from the command line after making some changes (via docker run probably).
These layers are stored by default under /var/lib/docker. While you could (theoretically) cherry pick files from there and install it in a different ...
Does opacity:0 have exactly the same effect as visibility:hidden
...
Here is a compilation of verified information from the various answers.
Each of these CSS properties is unique. In addition to rendering an element not visible, they have the following additional effect(s):
Collapses the space that the element would normally occupy
Re...
Can I add jars to maven 2 build classpath without installing them?
...e, I've created a utility script which automatically installs all the jars from a lib folder to a project repository, while automatically resolving all metadata (groupId, artifactId and etc.) from names of files. The script also prints out the dependencies xml for you to copy-paste in your pom.
Incl...
How to convert Nonetype to int or string?
... figure out how you're getting None when you expect a number and stop that from happening.
If it's someone else's code, find out the conditions under which it gives None and determine a sensible value to use for that, with the usual conditional code:
result = could_return_none(x)
if result is Non...
Not able to access adb in OS X through Terminal, “command not found”
...--help
The dot is your current directory, and this tells Bash to use adb from there.
But actually, you should add platform-tools to your PATH, as well as some other tools that the Android SDK comes with. This is how you do it:
Find out where you installed the Android SDK. This might be (where $...
How to get current page URL in MVC 3
...n ILSpy - indicated by the ---> on the left of the following copy/paste from that ILSpy view:
public Uri Url
{
get
{
if (this._url == null && this._wr != null)
{
string text = this.QueryStringText;
if (!string.IsNullOrEmpty(text))
{
text = "?" + Http...
How does Django's Meta class work?
...wo things related at all? i.e., does Django's Meta inner class prevent you from using Python's builtin metaclass features?
– nnyby
Mar 3 '15 at 20:00
...