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How can I use a file in a command and redirect output to the same file without truncating it?
...ly I want to take as input text from a file, remove a line from that file, and send the output back to the same file. Something along these lines if that makes it any clearer.
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Enum type constraints in C# [duplicate]
... 's? I'm sure there is a method behind the madness, but I'd like to understand why it's not possible.
6 Answers
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source of historical stock data [closed]
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Let me add my 2¢, it's my job to get good and clean data for a hedge-fund, I've seen quite a lot of data feeds and historical data providers. This is mainly about US stock data.
To start with, if you have some money don't bother with downloading data from Yahoo, get...
Windows path in Python
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you can use always:
'C:/mydir'
this works both in linux and windows.
Other posibility is
'C:\\mydir'
if you have problems with some names you can also try raw string literals:
r'C:\mydir'
however best practice is to use the os.path module functions that always select the cor...
Exporting a function in shell
... place all your functions.
If FPATH is set on an interactive interpreter, and a command or function is not found in the current shell environment or the PATH, the directories listed there are searched for the existence of a file named after the missing command. If one is found, it is sourced in th...
How to create a temporary directory/folder in Java?
Is there a standard and reliable way of creating a temporary directory inside a Java application? There's an entry in Java's issue database , which has a bit of code in the comments, but I wonder if there is a standard solution to be found in one of the usual libraries (Apache Commons etc.) ?
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How to define a preprocessor symbol in Xcode
...o your Target or Project settings, click the Gear icon at the bottom left, and select "Add User-Defined Setting". The new setting name should be GCC_PREPROCESSOR_DEFINITIONS, and you can type your definitions in the right-hand field.
Per Steph's comments, the full syntax is:
constant_1=VALUE const...
Enable access control on simple HTTP server
...ever create a simple HTTP server yourself, using most of SimpleHTTPRequestHandler, and just add that desired header.
For that, simply create a file simple-cors-http-server.py (or whatever) and, depending on the Python version you are using, put one of the following codes inside.
Then you can do py...
When should I use File.separator and when File.pathSeparator?
In the File class there are two strings, separator and pathSeparator .
3 Answers
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Mongoose's find method with $or condition does not work properly
...ibe why this solution works with words? thanks
– Alexander Mills
Nov 22 '15 at 23:21
This looks like a solution to a r...