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How do I merge two javascript objects together in ES6+?
...ote: Object.assign mutates the target. If that's not what you want you can call it with an empty object: let merged = Object.assign({}, source1, source2);
– david
Feb 23 '16 at 0:04
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How to use NULL or empty string in SQL
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If you need it in SELECT section can use like this.
SELECT ct.ID,
ISNULL(NULLIF(ct.LaunchDate, ''), null) [LaunchDate]
FROM [dbo].[CustomerTable] ct
you can replace the null with your substitution value.
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Variable declaration in a C# switch statement [duplicate]
...t are declared in the enclosing block - even if the declaration occurs lexically later in the file. This is also true for constructs other than a switch statement. See 3.3 of the C# language spec
– Michael Burr
Oct 14 '14 at 5:20
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Why hasn't functional programming taken over yet?
...ty. When Jane Smith changes her name you don't create a different employee called Jane Jones that is otherwise the same. There aren't two employees with two different names. It is natural to model this process as a mutation of an object, not as the construction of a new object.
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How to change the Content of a with Javascript
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Like this:
document.getElementById('myTextarea').value = '';
or like this in jQuery:
$('#myTextarea').val('');
Where you have
<textarea id="myTextarea" name="something">This text gets removed</textarea>
For all the downvoters and non-bel...
What does ':' (colon) do in JavaScript?
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The ':' is a delimiter for key value pairs basically. In your example it is a Javascript Object Literal notation.
In javascript, Objects are defined with the colon delimiting the identifier for the property, and its value so you can have the following:
return {
Pro...
Convert InputStream to byte array in Java
...s creates a ByteArrayOutputStream and copies the bytes to the output, then calls toByteArray(). It handles large files by copying the bytes in blocks of 4KiB.
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How best to include other scripts?
...ill not work if the scripts are different locations. e.g. /home/me/main.sh calls /home/me/test/inc.sh as dirname will return /home/me. sacii answer using BASH_SOURCE is a better solution stackoverflow.com/a/12694189/1000011
– opticyclic
May 13 '14 at 19:09
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How to update a value, given a key in a hashmap?
...se computeIfPresent method and supply it a mapping function, which will be called to compute a new value based on existing one.
For example,
Map<String, Integer> words = new HashMap<>();
words.put("hello", 3);
words.put("world", 4);
words.computeIfPresent("hello", (k, v) -> v + 1);
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Disabling contextual LOB creation as createClob() method threw error
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Looking at the comments in the source:
Basically here we are simply checking
whether we can call the
java.sql.Connection methods for LOB
creation added in JDBC 4. We not only
check whether the java.sql.Connection
declares these methods, but also
whether th...