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How to use a link to call JavaScript?
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<a onclick="jsfunction()" href="#">
or
<a onclick="jsfunction()" href="javascript:void(0);">
Edit:
The above response is really not a good solution, having learned a lot about JS since I initially posted. See EndangeredMassa's answer below for the b...
How to create a loop in bash that is waiting for a webserver to respond?
How to create a loop in bash that is waiting for a webserver to respond?
6 Answers
6
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Does using “new” on a struct allocate it on the heap or stack?
When you create an instance of a class with the new operator, memory gets allocated on the heap. When you create an instance of a struct with the new operator where does the memory get allocated, on the heap or on the stack ?
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How to turn on/off ReactJS 'development mode'?
...ted using ReactJS's prop validation feature , which as the docs say only works in 'development mode' for performance reasons.
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What is a 'semantic predicate' in ANTLR?
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ANTLR 4
For predicates in ANTLR 4, checkout these stackoverflow Q&A's:
Syntax of semantic predicates in Antlr4
Semantic predicates in ANTLR4?
ANTLR 3
A semantic predicate is a way to enforce extra (semantic) rules upon gram...
Python `if x is not None` or `if not x is None`?
I've always thought of the if not x is None version to be more clear, but Google's style guide and PEP-8 both use if x is not None . Is there any minor performance difference (I'm assuming not), and is there any case where one really doesn't fit (making the other a clear winner for my convent...
what is the use of xsi:schemaLocation?
... read the schemaLocation values and try to load them from the internet, in order to validate the XML file. Spring, in turn, intercepts those load requests and serves up versions from inside its own JAR files.
If you omit the schemaLocation, then the XML parser won't know where to get the schema in ...
Does PNG contain EXIF data like JPG?
...ded an EXIF chunk. It remains to be seen if encoders-decoders begin to support it.
Original: PNG does not embed EXIF info. It allows, however, to embed metadata "chunks" inside the image. Some of the standardized chunks correspond to a few EXIF attributes (physical dimensions, timestamp). And it's ...
Why not use exceptions as regular flow of control?
...u ever tried to debug a program raising five exceptions per second in the normal course of operation ?
I have.
The program was quite complex (it was a distributed calculation server), and a slight modification at one side of the program could easily break something in a totally different place.
I...
How to copy a local Git branch to a remote repo
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According to git push manual page:
git push origin experimental
Find a ref that matches experimental in the source repository (most likely, it would find refs/heads/experimental), and update the same ref (e.g. refs/heads/exper...