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How do I query using fields inside the new PostgreSQL JSON datatype?
... json-producing) functions, but not in 9.2.
Doesn't prevent him from providing an example implementation in PLV8 that should solve your problem.
Postgres 9.3
Offers an arsenal of new functions and operators to add "json-processing".
The manual on new JSON functionality.
The Postgres Wiki on ne...
In Python, how can you load YAML mappings as OrderedDicts?
...ct implementation that has been in use in pypy for some time (although considered CPython implementation detail for now).
Update: In python 3.7+, the insertion-order preservation nature of dict objects has been declared to be an official part of the Python language spec, see What's New In Python 3....
assign multiple variables to the same value in Javascript
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As @doublejosh said, there are scoping problems you didn't address.
– kstratis
Oct 4 '15 at 7:56
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What is the equivalent of “none” in django templates?
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Any idea how to use this with other filters such as date? For example, is it possible to display "N/A" if a date is none but otherwise format it? Like: {{ post.pub_date|default_if_none:"N/A"|date:"Y-m-d" }}?
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sed: print only matching group
... to add the -r or ` --regexp-extended` option otherwise I was getting invalid reference \1 on s' command's RHS ` error.
– Daniel Sokolowski
Aug 11 '14 at 16:11
15
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How to invoke a Linux shell command from Java
...orked. Actually I used "sh" instead of "csh".
– Farshid
Jun 2 '12 at 11:12
5
Warning: this soluti...
What is the difference between 'java', 'javaw', and 'javaws'?
...ecified class, and invoking that class's main method.
The javaw command is identical to java, except that with javaw there is no associated console window. Use javaw when you don't want a command prompt window to appear.
javaws command, the "Java Web Start command"
The javaws command launches J...
How to pass multiple parameters in a querystring
I have three values which I have to pass as parameters for e.g., strID , strName and strDate .
6 Answers
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Can I update a component's props in React.js?
...w: and replaced by a combination of getDerivedStateFromProps and componentDidUpdate.
– bvdb
Sep 21 '18 at 20:54
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show 5 more comments
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Is explicitly closing files important?
... @Rohan yes, that is the little magic that the with statement provide, but of course for this magic to work the object must have the especial methods __enter__ and __exit__, in the latter the object do the close and any other cleanup stuff that need to be done at the end of the with stateme...