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How to erase the file contents of text file in Python?
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In python:
open('file.txt', 'w').close()
Or alternatively, if you have already an opened file:
f = open('file.txt', 'r+')
f.truncate(0) # need '0' when using r+
In C++, you could use something similar.
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Starting Eclipse w/ Specific Workspace
...lowed it to use the existing workspace. I'm guessing this varies based on OS and/or Eclipse version, but I'm not sure exactly what factors into this, so just try both ways until you get one to load the correct/existing workspace.
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How can I create a simple message box in Python?
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Also you can position the other window before withdrawing it so that you position your message
#!/usr/bin/env python
from Tkinter import *
import tkMessageBox
window = Tk()
window.wm_withdraw()
#message at x:200,y:200
window.geometry("...
What are best practices that you use when writing Objective-C and Cocoa? [closed]
...onse:(NSCachedURLResponse *)cachedResponse
{
return nil;
}
I find most web calls are very singular and it's more the exception than the rule you'll be wanting responses cached, especially for web service calls. Implementing the method as shown disables caching of responses.
Also of interes...
Frontend tool to manage H2 database [closed]
... a TCP server
[-tcpShutdown ""] Stop the TCP server; example: tcp://localhost:9094
[-tcpShutdownForce] Do not wait until all connections are closed
[-pg] Start the PG server
[-pgAllowOthers] Allow other computers to connect - see below
[-pgPort ] The port (defaul...
Reading and writing binary file
...lgorithm>
int main()
{
std::ifstream input( "C:\\Final.gif", std::ios::binary );
std::ofstream output( "C:\\myfile.gif", std::ios::binary );
std::copy(
std::istreambuf_iterator<char>(input),
std::istreambuf_iterator<char>( ),
std::ostreambuf_ite...
Currency formatting in Python
... How would I format a non-native currency correctly, Say I'm showing a cost in GB pounds for a Japanese language report?
– SingleNegationElimination
Jul 4 '09 at 16:44
2
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Identifying and removing null characters in UNIX
... input redirection in the middle of the command arguments works, it does. Most shells will recognize and deal with I/O redirection (<, >, …) anywhere in the command line, actually.
share
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Check whether a cell contains a substring
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@renatov that actually depends on the locale of your OS; specifically, the character used for "list separator".
– pepoluan
Jul 9 '15 at 7:38
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127 Return code from $?
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You can try using which [program] to see which binary the OS is using. If it comes up empty, next step is checking execution bit and PATH.
– four43
Jun 12 '14 at 16:33
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