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How to join two JavaScript Objects, without using JQUERY [duplicate]
...2 - Object.keys():
const result = {};
Object.keys(obj1)
.forEach(key => result[key] = obj1[key]);
Object.keys(obj2)
.forEach(key => result[key] = obj2[key]);
3 - Object.assign():
(Browser compatibility: Chrome: 45, Firefox (Gecko): 34, Internet Explorer: No support, Edge: (Yes), Opera...
MySQL, Check if a column exists in a table with SQL
...ovided
SET @_dbName := IF(dbName IS NULL, database(), dbName);
IF CHAR_LENGTH(@_dbName) = 0
THEN -- no specific or current db to check against
SELECT FALSE INTO _exists;
ELSE -- we have a db to work with
SELECT IF(count(*) > 0, TRUE, FALSE) INTO _exists
FROM information_schema.COLUMNS c
...
How to specify HTTP error code?
...s.send('None shall pass');
http://expressjs.com/4x/api.html#res.status
<=3.8
res.statusCode = 401;
res.send('None shall pass');
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How to fix bower ECMDERR
...mand because git wasn't installed globally on your machine, opening Tools > Options in Visual Studio, then Projects and Solutions > Web Package Management > External Web Tools, you will see that, by default, there are two git locations:
$(DevEnvDir)\CommonExtensions\Microsoft\TeamFoundati...
How to create unit tests easily in eclipse [closed]
...
To create a test case template:
"New" -> "JUnit Test Case" -> Select "Class under test" -> Select "Available methods". I think the wizard is quite easy for you.
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In HTML5, is the localStorage object isolated per page/domain?
...',5,'7',9] } )
localData.set( 'key5', null )
localData.get( 'key1' ) --> 'Belgian'
localData.get( 'key2' ) --> 1200.0047
localData.get( 'key3' ) --> true
localData.get( 'key4' ) --> Object {RSK: Array(5)}
localData.get( 'key5' ) --> null
// instantiate our secon...
Netbeans: how to change @author
...
Steps:
Go to Tools -> Templates.
Click on Settings button. A new panel with template settings will appear in your IDE:
Uncomment the last line and change the value of "user" to what ever you like to be inserted after the @author tag.
PS: I ...
In Intellij IDEA how do I replace text with a new line?
...
For those looking for the old multiline replace in inteliJ with version > 15.x. It seems somewhat hidden, but if you select multiple lines > click CTRL+F, then immediately click CTRL+R you are presented with the original multiline replace.
This is working on Mac IntelliJ 2016.1.3 with ⌘+F...
Inherit docstrings in Python class inheritance
...ss Y(X):
__doc__ = X.__doc__ + ' Also bar().'
def bar(): pass
Now:
>>> print Y.__doc__
This class has a method foo(). Also bar().
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What's the difference between String(value) vs value.toString()
...s(number,boolean,string) and basically will do nothing special:
true => 'true'
false => 'false'
17 => '17'
'hello' => 'hello'
But calling these functions on objects is where things gets interesting:
if the object has it's own .toString() function it will be called w...