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Remove blank attributes from an Object in Javascript
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You can loop through the object:
var test = {
test1 : null,
test2 : 'somestring',
test3 : 3,
}
function clean(obj) {
for (var propName in obj) {
if (obj[propName] === null || obj[propName] === undefined) {
delete obj[propName];
}
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JUnit 4 Test Suites
How do I create test suites with JUnit 4?
5 Answers
5
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H2 in-memory database. Table not found
I've got a H2 database with URL "jdbc:h2:test" . I create a table using CREATE TABLE PERSON (ID INT PRIMARY KEY, FIRSTNAME VARCHAR(64), LASTNAME VARCHAR(64)); . I then select everything from this (empty) table using SELECT * FROM PERSON . So far, so good.
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How to run only one local test class on Gradle
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To run a single test class Airborn's answer is good.
With using some command line options, which found here, you can simply do something like this.
gradle test --tests org.gradle.SomeTest.someSpecificFeature
gradle test --tests *SomeTest.s...
Fit image into ImageView, keep aspect ratio and then resize ImageView to image dimensions?
...tch the dimensions of the scaled image. The code is used in an activity. I tested it via button click handler.
Enjoy. :)
private void scaleImage(ImageView view) throws NoSuchElementException {
// Get bitmap from the the ImageView.
Bitmap bitmap = null;
try {
Drawable drawing ...
Formatting a number with exactly two decimals in JavaScript
... "10.80"
round2Fixed(10.8); // Returns "10.80"
Various examples and tests (thanks to @t-j-crowder!):
function round(value, exp) {
if (typeof exp === 'undefined' || +exp === 0)
return Math.round(value);
value = +value;
exp = +exp;
if (isNaN(value) || !(typeof exp === ...
How to convert a string or integer to binary in Ruby?
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I did some local test to convert integers to binary string, but the result shows that codes like 245.to_s(2) will be faster than "%b" % 245
– Green Su
May 13 '14 at 8:58
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How to test if a string is JSON or not?
...or message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message.
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Why would finding a type's initializer throw a NullReferenceException?
This has got me stumped. I was trying to optimize some tests for Noda Time, where we have some type initializer checking. I thought I'd find out whether a type has a type initializer (static constructor or static variables with initializers) before loading everything into a new AppDomain . To my ...
How to mock an import
Module A includes import B at its top. However under test conditions I'd like to mock B in A (mock A.B ) and completely refrain from importing B .
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