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Regular Expression to match string starting with “stop”
...
/stop([a-zA-Z])+/
Will match any stop word (stop, stopped, stopping, etc)
However, if you just want to match "stop" at the start of a string
/^stop/
will do :D
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How do I concatenate strings and variables in PowerShell?
... you want some pre-processing done (such as variables, special characters, etc.)
So:
$name = "Marshall Bruce Mathers III"
Write-Host "$name"
-> Marshall Bruce Mathers III
Whereas:
$name = "Marshall Bruce Mathers III"
Write-Host '$name'
-> $name
(I find How-to: Escape characters, Delimiters a...
Check if an element contains a class in JavaScript?
...strings depending on which class it contains. I just used "I have class1", etc. as examples - the real strings are all different. I will only be showing one string at a time, not combining any (hence the breaks after each case). I just want it to still work even if the matching class is one of multi...
Print a list in reverse order with range()?
...ge(10), not range(9). Also, if you want a fully-formed list (for slicing, etc.), you should do list(reversed(range(10))).
– John Y
Sep 2 '11 at 16:49
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COALESCE Function in TSQL
... with the value in Fieldname2, if FieldName2 is NULL, fill it with Value2, etc.
This piece of test code for the AdventureWorks2012 sample database works perfectly & gives a good visual explanation of how COALESCE works:
SELECT Name, Class, Color, ProductNumber,
COALESCE(Class, Color, ProductNu...
Correct way to find max in an Array in Swift
..., Array, like other Sequence Protocol conforming objects (Dictionary, Set, etc), has two methods called max() and max(by:) that return the maximum element in the sequence or nil if the sequence is empty.
#1. Using Array's max() method
If the element type inside your sequence conforms to Comparab...
What is the difference between the Facade and Adapter Pattern?
...atible, just when you need to make it more readable, less poorly-designed, etc.
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What is the difference between $(command) and `command` in shell programming?
...nces such as how backslashes are parsed in the backtick/gravemark version, etc.
See BashFAQ/082 for several reasons to always prefer the $(...) syntax.
Also see the POSIX spec for detailed information on the various differences.
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Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
...Rect(0, 0, width, height, clearPaint);
This removes drawings rectangles etc. while keeping set bitmap..
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How can I sort a dictionary by key?
...hemselves do not have ordered items as such, should you want to print them etc to some order, here are some examples:
In Python 2.4 and above:
mydict = {'carl':40,
'alan':2,
'bob':1,
'danny':3}
for key in sorted(mydict):
print "%s: %s" % (key, mydict[key])
give...