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How to Create a circular progressbar in Android which rotates on it?
... creating a layer-list, I separated it into two files. One for ProgressBar and one for its background.
This is the ProgressDrawable file (@drawable folder): circular_progress_bar.xml
<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
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Get value of a string after last slash in JavaScript
I am already trying for over an hour and cant figure out the right way to do it, although it is probably pretty easy:
10 An...
How to pause a YouTube player when hiding the iframe?
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The easiest way to implement this behaviour is by calling the pauseVideo and playVideo methods, when necessary. Inspired by the result of my previous answer, I have written a pluginless function to achieve the desired behaviour.
The only adjustments:
I have added a function, toggleVideo
I have ...
Can Android do peer-to-peer ad-hoc networking?
Is it possible to set up Android in ad-hoc peer-to-peer wifi mode? For example, I would like to have one phone broadcast a message, and have all peers in the network receive the broadcast, without having a server. I would like to use wifi since bluetooth range is more limited.
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How do I sort a dictionary by value?
... a dictionary of values read from two fields in a database: a string field and a numeric field. The string field is unique, so that is the key of the dictionary.
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boost Composite keys - C/C++ - 清泛网 - 专注C/C++及内核技术
...b.equal_range(boost::make_tuple(std::string("White")));
On the other hand, partial searches without specifying the first keys are not allowed.
By default, the corresponding std::less predicate is used for each subkey of a composite key. Alternate comparison predicates can be specified with com...
AngularJS : Initialize service with asynchronous data
...in the promises in MyOtherService - I've updated the plunker with chaining and some comments - how does this look? plnkr.co/edit/Z7dWVNA9P44Q72sLiPjW?p=preview
– joakimbl
Apr 30 '13 at 13:32
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Format date and time in a Windows batch script
In a Windows (Windows XP) batch script I need to format the current date and time for later use in files names, etc.
33 An...
Using bootstrap with bower
... bootstrap with bower, but since it clones the whole repo, there is no CSS and other stuff.
7 Answers
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How do I compute derivative using Numpy?
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Automatic Derivatives
Symbolic Differentiation
Compute derivatives by hand.
Finite differences require no external tools but are prone to numerical error and, if you're in a multivariate situation, can take a while.
Symbolic differentiation is ideal if your problem is simple enough. Symbolic...