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How do I negate a test with regular expressions in a bash script?
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I find if [[ ! $foo =~ bar ]] safer than if ! [[ $foo =~ bar ]], because it makes easier to introduce more conditions to the if
– CTodea
Jun 27 '17 at 13:48
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querySelector, wildcard element match?
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hmm I can't do document.querySelectorAll("div.[id$='foo']")
– SuperUberDuper
Feb 11 '16 at 15:56
4
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How to get a list of properties with a given attribute?
...(T), true);
return atts.Length > 0;
}
which you can use like typeof(Foo).HasAttribute<BarAttribute>();
Other projects (e.g. StructureMap) have full-fledged ReflectionHelper classes that use Expression trees to have a fine syntax to identity e.g. PropertyInfos. Usage then looks like tha...
Get TFS to ignore my packages folder
...lution structure looks like this:
\Project
\Packages
\OtherStuff
foo.cs
You'd put your .tfignore file in \Project:
\Project
\Packages
\OtherStuff
foo.cs
.tfignore
The contents of the .tfignore in your case would be:
\packages
Here's some documentation for you: http://msd...
Check if class already assigned before adding
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$("label")
.not(".foo")
.addClass("foo");
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Join a list of strings in python and wrap each string in quotation marks
...n 3.6+), I've used backticks for a string used for a SQL script.
keys = ['foo', 'bar' , 'omg']
', '.join(f'`{k}`' for k in keys)
# result: '`foo`, `bar`, `omg`'
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Log exception with traceback
... print 'got exception %s' % (args,)
sys.excepthook = log_exception
def foo():
a = 1 / 0
threading.Thread(target=foo).start()
The messages on this Python Issue thread really result in 2 suggested hacks. Either subclass Thread and wrap the run method in our own try except block in order to ...
How to break out of a loop from inside a switch?
...ions, which are no harder than arbitrary end conditions. Simply, a "while(foo)" loop, where foo is a boolean variable set in an arbitrary way, is no better than "while(true)" with breaks. You have to look through the code in both cases. Putting forth a silly reason (and microefficiency is a silly...
Why is i++ not atomic?
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Thread B fetches i
Time 2:
Thread A overwrites i with a new value say -foo-
Thread B overwrites i with a new value say -bar-
Thread B stores -bar- in i
// At this time thread B seems to be more 'active'. Not only does it overwrite
// its local copy of i but also makes it in time to store -bar-...
Convert JsonNode into POJO
...;
JsonParser jsonParser = mapper.getJsonFactory().createJsonParser("{\"foo\":\"bar\"}");
JsonNode tree = jsonParser.readValueAsTree();
// Do stuff to the tree
mapper.readValue(tree, Foo.class);
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