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MySQL SELECT only not null values
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You should use IS NOT NULL. (The comparison operators = and <> both give UNKNOWN with NULL on either side of the expression.)
SELECT *
FROM table
WHERE YourColumn IS NOT NULL;
Just for completeness I'll mention that in MySQL you can also negate the null safe equality op...
How to use CURL via a proxy?
...been a problem. Without the proxy it works fine. I have found code on this and other sites, but they do not work. Any help in finding the correct solution would be much appreciated. I feel that the bellow are close, but that I am missing something. Thank You.
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How to import a module given the full path?
...rom_spec(spec)
spec.loader.exec_module(foo)
foo.MyClass()
For Python 3.3 and 3.4 use:
from importlib.machinery import SourceFileLoader
foo = SourceFileLoader("module.name", "/path/to/file.py").load_module()
foo.MyClass()
(Although this has been deprecated in Python 3.4.)
For Python 2 use:
im...
Git push to wrong branch
Working with git, after some 'commit', and a couple of 'push', I realized that am using the wrong branch !
3 Answers
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How can I check if a directory exists in a Bash shell script?
What command can be used to check if a directory exists or not, within a Bash shell script?
35 Answers
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Relatively position an element without it taking up space in document flow
How can I relatively position an element, and have it not take up space in the document flow?
6 Answers
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Is #pragma once a safe include guard?
...a once which can result in faster compilation. I recognize that is non-standard, and thus could pose a cross-platform compatibility issue.
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How to remove underline from a link in HTML?
...parating your CSS means more than aliasing css in your html. Eg class="big-and-red" is aliasing not seperation. class="meaningful-domain-item" then css .meaningful-domain-item { //big and red } is. This answer sufficient to remind me which tag to use in my css +1.
– Nathan Coop...
cannot convert data (type interface {}) to type string: need type assertion
I am pretty new to go and I was playing with this notify package.
4 Answers
4
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When to use std::forward to forward arguments?
...e potentially moving the argument all the way through to the final caller, and once it's moved it's gone, so you cannot then use it again (in the way you probably meant to).
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