An expression template is a compile-time optimization technique used mostly in scientific computing. It's main purpose is to avoid unnecessary temporaries and optimize loop calculations using a single pass (typically when performing operations on numerical aggregates). Expression templates were init...
The Java programming language (and its runtime) has undergone numerous changes since its release since its initial public release. These changes include:
Changes in the Java programming language syntax and semantics
Changes in the APIs provided by the Java standard class libraries.
Changes in ...
To install Cucumber for use with Ruby simply use the command
gem install cucumber
Alternatively, if you are using bundler, you can add the following line to your Gemfile
gem 'cucumber'
And then run bundler
bundle install
[I think this belongs in its own topic, Installation. I created tha...
Every Python statement in Vim should be prefixed with the :python command, to instruct Vim that the next command is not Vimscript but Python.
To avoid typing this command on each line, when executing multi-line Python code, it is possible to instruct Vim to interpret the code between two marker exp...
Consider these two pieces of code:
int a = 1000;
int b = a + 1;
and
Integer a = 1000;
Integer b = a + 1;
Question: Which version is more efficient?
Answer: The two versions look almost the identical, but the first version is a lot more efficient than the second one.
The second version is...
In order to begin using WebRTC you need to get camera and microphone permission.For that you need following things:
adapter.js, you can get it from here
A html webpage with a video tag and little bit of js code
The adapter.js is a JavaScript shim for WebRTC, maintained by Google with help fro...
You can organize the execution of your instrumented unit tests defining a Suite.
/**
* Runs all unit tests.
*/
@RunWith(Suite.class)
@Suite.SuiteClasses({MyTest1.class ,
MyTest2.class,
MyTest3.class})
public class AndroidTestSuite {}
Then in AndroidStudio you can run...
Paste this code into an empty HTML file and run it in your browser.
<!DOCTYPE html>
<body>
<script src="https://d3js.org/d3.v4.js"></script> <!-- This downloads d3 library -->
<script>
//This code will visualize a data set as a simple scatt...
If the web page a contains phone number you can make a call using your phone's dialer. This code checks for the url which starts with tel: then make an intent to open dialer and you can make a call to the clicked phone number:
public boolean shouldOverrideUrlLoading(WebView view, String url) {
...
3.0
Beginning with PowerShell 3.0, you can download and update the offline help documentation using a single cmdlet.
Update-Help
To update help on multiple computers (or computers not connected to the internet).
Run the following on a computer with the help files
Save-Help -DestinationPath ...
Get-Help can be used to view help in PowerShell. You can search for cmdlets, functions, providers or other topics.
In order to view the help documentation about jobs, use:
Get-Help about_Jobs
You can search for topics using wildcards. If you want to list available help topics with a title start...
Splatting is done by replacing the dollar-sign $ with the splatting operator @ when using a variable containing a HashTable of parameters and values in a command call.
$MyParameters = @{
Name = "iexplore"
FileVersionInfo = $true
}
Get-Process @MyParameters
Without splatti...
