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How to do ssh with a timeout in a script?
...tchMode=yes -o StrictHostKeyChecking=no .
ConnectTimeout keeps the script from hanging, BatchMode keeps it from hanging with Host unknown, YES to add to known_hosts, and StrictHostKeyChecking adds the fingerprint automatically.
**** NOTE ****
The "StrictHostKeyChecking" was only intended for inter...
“open/close” SqlConnection or keep open?
...osed when you call SqlConnection.Open. ASP.NET recycles active connections from the pool when the connection string matches a previously used connection string. The overhead involved in this is inconsequential, and additionally, trying to "do it yourself" means you have to assume all the management ...
How to revert a folder to a particular commit by creating a patch
...ut generating the diff, that would work too. Just generate the diff to go from your current state back to e095:
git diff 89cd..e095 -- somefolder
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How to print third column to last column?
...'m trying to remove the first two columns (of which I'm not interested in) from a DbgView log file. I can't seem to find an example that prints from column 3 onwards until the end of the line. Note that each line has variable number of columns.
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Is it possible to have multiple statements in a python lambda expression?
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There are several different answers I can give here, from your specific question to more general concerns. So from most specific to most general:
Q. Can you put multiple statements in a lambda?
A. No. But you don't actually need to use a lambda. You can put the statements i...
Read/write to Windows registry using Java
...e.
For example, the following code obtains the exact windows distribution from the registry:
String value = WinRegistry.readString (
WinRegistry.HKEY_LOCAL_MACHINE, //HKEY
"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", //Key
"ProductName"); ...
Generate unique random numbers between 1 and 100
... This is how I always do it, too. So if I wanted ten random lines from a file with a bunch of lines in it, I do randlines file | head -10.
– tchrist
Sep 9 '12 at 19:38
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How to convert Set to String[]?
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From Java 7 we can use String[] GPXFILES1 = myset.toArray(new String[0]) and that's recommended. Update the answer. "Since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array versi...
How do you change the size of figures drawn with matplotlib?
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figure tells you the call signature:
from matplotlib.pyplot import figure
figure(num=None, figsize=(8, 6), dpi=80, facecolor='w', edgecolor='k')
figure(figsize=(1,1)) would create an inch-by-inch image, which would be 80-by-80 pixels unless you also give a dif...
Remove the last three characters from a string
I want to remove last three characters from a string:
14 Answers
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