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Microsecond timing in JavaScript
...is guaranteed to always be monotonically increasing, so it is not affected by the OS's system time -- it will always be wall-clock time (assuming your wall clock is not atomic...).
now() can be used in almost every place that new Date.getTime(), + new Date and Date.now() are. The exception is tha...
Does Eclipse have line-wrap
...
As mentioned in the post by VonC on this same page. Eclipse now has this capability as of 06/2016 Neon.
Try this plugin Eclipse platform plugin
It looks like eclipse only has the ability to do it manually on its own and here are the commands. At th...
javascript i++ vs ++i [duplicate]
...ly over a one liner millions of times. This can cut your per-loop overhead by ~1/2 which can matter on one-liner loops quite a lot.
– Garet Claborn
Jun 19 '14 at 12:04
6
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What's the point of map in Haskell, when there is fmap?
...e right way to solve the problem.
Haskell 98 is seen as a step backwards by some Haskellers (including me), previous versions having defined a more abstract and consistent library. Oh well.
share
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Why have header files and .cpp files? [closed]
...e way to NOT copy/paste, and still declare the symbol... How can we do it? By the include of some text file, which is commonly suffixed by .h, .hxx, .h++ or, my preferred for C++ files, .hpp:
// B.HPP (here, we decided to declare every symbol defined in B.CPP)
void doSomethingElse() ;
// A.CPP
#in...
Xcode 4 - slow performance
...ed the alternative way.
There is another nice trick to fasten up builds by creating a ram disk with the following line of code:
diskutil erasevolume HFS+ "ramdisk" `hdiutil attach -nomount ram://8475854`
This creates an in-memory disk image with a size of about 4 GB. But be careful, you need t...
How to find and turn on USB debugging mode on Nexus 4
... the following:
Open up your device’s “Settings”. This can be done by pressing the
Menu button while on your home screen and tapping “System settings”
Now scroll to the bottom and tap “About phone” or “About tablet”.
At the “About” screen, scroll to the bottom and tap on “B...
What Makes a Method Thread-safe? What are the rules?
...tic) then you need to use locks to ensure that the values are not modified by a different thread.
public class Thing
{
private string someValue; // all threads will read and write to this same field value
public int NonThreadSafeMethod(string parameter1)
{
this.someValue = para...
How do I resize an image using PIL and maintain its aspect ratio?
...
Define a maximum size.
Then, compute a resize ratio by taking min(maxwidth/width, maxheight/height).
The proper size is oldsize*ratio.
There is of course also a library method to do this: the method Image.thumbnail.
Below is an (edited) example from the PIL documentation.
i...
How do I get Windows to go as fast as Linux for compiling C++?
... edited Dec 20 '11 at 5:49
databyte
1,12899 silver badges77 bronze badges
answered Aug 2 '11 at 17:52
Noufal ...