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Batch equivalent of Bash backticks
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You can do it by redirecting the output to a file first. For example:
echo zz > bla.txt
set /p VV=<bla.txt
echo %VV%
share
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How can I round a number in JavaScript? .toFixed() returns a string?
... back into a number, you run into the same inaccuracy issues again. :-P JS doesn't have decimal floating point or rational numbers.
– Chris Jester-Young
Feb 17 '10 at 19:21
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What is the JavaScript version of sleep()?
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Great stuff here. I wonder, how does this affects or relates with the modern browsers "active" / "inactive" states after JS calls the "sleep" mode? Can the browser block the sleep as expected for general JS, to recall later when becomes "active", or does i...
What is a classpath and how do I set it?
...r machine, so you have to provide the VM a list of places to look. This is done by putting folder and jar files on your classpath.
Before we talk about how the classpath is set, let's talk about .class files, packages, and .jar files.
First, let's suppose that MyClass is something you built as par...
Interfaces with static fields in java for sharing 'constants'
... example is the SwingConstants interface in Swing, which is implemented by dozens of classes that all "re-export" all of its constants (even the ones that they don't use) as their own.
But don't just take my word for it, Josh Bloch also says it's bad:
The constant interface pattern is a poor us...
Daylight saving time and time zone best practices [closed]
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Summary of answers and other data: (please add yours)
Do:
Whenever you are referring to an exact moment in time, persist the time according to a unified standard that is not affected by daylight savings. (GMT and UTC are equivalent with this regard, but it is preferred to use ...
Android accelerometer accuracy (Inertial navigation)
...ation of Errors. (By the way, you will need the gyroscopes too.)
As for indoor positioning, I have found these useful:
RSSI-Based Indoor Localization and Tracking Using Sigma-Point Kalman Smoothers
Pedestrian Tracking with Shoe-Mounted Inertial Sensors
Enhancing the Performance of Pedometers Us...
libxml/tree.h no such file or directory
...g up your project file
You need to add libxml2.dylib to your project (don't put it in the Frameworks section). On the Mac,
you'll find it at /usr/lib/libxml2.dylib and for the iPhone, you'll
want the
/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.0.sdk/usr/lib/libxml2.dyl...
How do I make jQuery wait for an Ajax call to finish before it returns?
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If you don't want the $.ajax() function to return immediately, set the async option to false:
$(".my_link").click(
function(){
$.ajax({
url: $(this).attr('href'),
type: 'GET',
async: false,
ca...
How do you manage your gists on GitHub? [closed]
... Nice tip on including your username in gist searches to narrow things down (since they only have a search for all gists at the moment).
– Derek Morrison
Apr 26 '11 at 8:39
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