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Dashed line border around UIView
...resolution like suppose your normal image size is 120x120 and it's name is test.png then create another two image with name test@2x.png and test@3x.png with size of 240x240 and 360x360 which is used in all the apple device automatically with it's related name. (i.e. test.png is use in iPhone 4, test...
How to override toString() properly in Java?
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If you're interested in Unit-Tests, then you can declare a public "ToStringTemplate", and then you can unit test your toString. Even if you don't unit-test it, I think its "cleaner" and uses String.format.
public class Kid {
public static final St...
Java: How to get input from System.console()
...mport java.io.IOException;
import java.io.InputStreamReader;
public class Test {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter String");
String s = br.readLin...
Seeding the random number generator in Javascript
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sfc32 (Simple Fast Counter)
sfc32 is part of the PractRand random number testing suite (which it passes of course). sfc32 has a 128-bit state and is very fast in JS.
function sfc32(a, b, c, d) {
return function() {
a >>>= 0; b >>>= 0; c >>>= 0; d >>>=...
Check if string contains only whitespace
How can I test if a string contains only whitespace?
11 Answers
11
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How to properly reuse connection to Mongodb across NodeJs application and modules
...useNewUrlParser: true }, function( err, client ) {
_db = client.db('test_db');
return callback( err );
} );
},
getDb: function() {
return _db;
}
};
To use it, you would do this in your app.js:
var mongoUtil = require( 'mongoUtil' );
mongoUtil.connectToServer( function...
Pass parameter to fabric task
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Fabric 2 task arguments documentation:
http://docs.pyinvoke.org/en/latest/concepts/invoking-tasks.html#task-command-line-arguments
Fabric 1.X uses the following syntax for passing arguments to tasks:
fab task:'hello world'
fab task:something='hello'
fab task:foo=99,bar=True
fab task:fo...
How to check if an object is a list or tuple (but not string)?
... were somehow time-critical, we might want to replace it with some sort of test to see if arg is a sequence. Rather than testing the type, we should probably test behaviors. If it has a .strip() method, it's a string, so don't consider it a sequence; otherwise, if it is indexable or iterable, it's...
Remove Trailing Spaces and Update in Columns in SQL Server
...bleName
LTRIM - Removes spaces from the left
example: select LTRIM(' test ') as trim = 'test '
RTRIM - Removes spaces from the right
example: select RTRIM(' test ') as trim = ' test'
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How to change maven logging level to display only warning and errors?
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If you are using Logback, just put this logback-test.xml file into src/test/resources directory:
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level...