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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...
Unresolved Import Issues with PyDev and Eclipse
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In the properties for your pydev project, there's a pane called "PyDev - PYTHONPATH", with a sub-pane called "External Libraries". You can add source folders (any folder that has an __init__.py) to the path using that pane. Your project code will then be able to import modules fr...
qmake: could not find a Qt installation of ''
...g: let's say you install qt5-default. Then you run a qt4 application which calls qdbus. You get qt5's qdbus, which should work but it's not warranted to do it.
– lisandro
Oct 17 '17 at 17:57
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How to check if one of the following items is in a list?
... length, max and min will return the left-most list, which makes the any() call operate over the same list on both sides. If you absolutely require checking for length, reverse the order of the lists in the second call: any(x in max(a, b, key=len) for x in (b, a, key=len)).
– N...
Remove carriage return in Unix
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There's a utility called dos2unix that exists on many systems, and can be easily installed on most.
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How do I rename all folders and files to lowercase on Linux?
...ming utility that comes by default with Ubuntu is a Perl program sometimes called prename
– sleepsort
May 8 '13 at 15:19
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