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What does $_ mean in PowerShell?
... a reference to this, mostly in loops.
$_ (dollar underscore)
'THIS' token. Typically refers to the
item inside a foreach loop.
Task:
Print all items in a collection.
Solution. ... | foreach { Write-Host
$_ }
...
Inserting code in this LaTeX document with indentation
...Pygments, on the other hand, can be completely customized to highlight any token kind the source language might support. This might include special formatting sequences inside strings, numbers, different kinds of identifiers and exotic constructs such as HTML tags.
...
How can I split a JavaScript string by white space or comma?
...nt to take into account extra characters like your commas (in my case each token may be entered with quotes), I'd do a string.replace() to change the other delimiters to blanks and then split on whitespace.
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split string only on first instance of specified character
...ter the first _ is matched inside a capturing group, and gets added to the token list for that reason.
– Alan Moore
Jan 5 '11 at 20:04
28
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Check if a string contains a number
...xt:
import nltk
def existence_of_numeric_data(text):
text=nltk.word_tokenize(text)
pos = nltk.pos_tag(text)
count = 0
for i in range(len(pos)):
word , pos_tag = pos[i]
if pos_tag == 'CD':
return True
return False
existence_of_numeric_data('We are g...
Bootstrapping still requires outside support
...reter was bootstrapped by hand-compiling the constructor functions and the token reader. The rest of the interpreter was then read in from source.
You can check for yourself by reading the original McCarthy paper, Recursive Functions of Symbolic Expressions and Their Computation by Machine, Part I....
How can I add (simple) tracing in C#? [closed]
...tarter article on it: http://www.dotnetcoders.com/web/Articles/ShowArticle.aspx?article=50. They talk about how to set up the switches in the configuration file and how to write the code, but it is pretty old (2002).
There's another article on CodeProject: A Treatise on Using Debug and Trace classes...
How to find out if a file exists in C# / .NET?
...ath)
MSDN: http://msdn.microsoft.com/en-us/library/system.io.file.exists.aspx
Edit: In System.IO
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Public free web services for testing soap client [closed]
...
There is a bunch on here:
http://www.webservicex.net/WS/wscatlist.aspx
Just google for "Free WebService" or "Open WebService" and you'll find tons of open SOAP endpoints.
Remember, you can get a WSDL from any ASMX endpoint by adding ?WSDL to the url.
...
C# generics syntax for multiple type parameter constraints [duplicate]
...BaseTwo
More info here:
http://msdn.microsoft.com/en-us/library/d5x73970.aspx
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