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How to stop and restart memcached server?
How to stop and restart memcached server 1.4.5 in linux OS from command line?
12 Answers
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How do I install from a local cache with pip?
...irtualenv environments. Is there a way that I can download a package once and then have pip install from a local cache?
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How to use multiple AWS Accounts from the command line?
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You should be able to use the following command-options in lieu of the EC2_PRIVATE_KEY (and even EC2_CERT) environment variables:
-K <private key>
-C <certificate>
You can put these inside aliases, e.g.
alias ec2-describe-instances1 ec2-describe-instan...
Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
Should I test if something is valid or just try to do it and catch the exception?
8 Answers
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how to change default python version?
... in my mac. After I run /Applications/Python 3.2/Update Shell Profile.command , it's confusing that when I type python -V in Terminal it says that Python 2.6.1 , how can I change the default python version?
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How do I create a nice-looking DMG for Mac OS X using command-line tools?
...cation. I want it to be a disk image (DMG), with a predefined size, layout and background image.
14 Answers
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Stopwatch vs. using System.DateTime.Now for timing events [duplicate]
I wanted to track the performance of my code so I stored the start and end time using System.DateTime.Now . I took the difference between the two as the time my code to execute.
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Clear variable in python
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Open the python terminal and type print x and press enter. This will produce an interpreter error, as do most languages when you try to print an undefined variable. But if you define the variable, and then try to clear it with None, using the print ...
PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...break it up into small parts so that it is easy for novice users to understand as well. So my question(s):
6 Answers
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std::string to float or double
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The Standard Library (C++11) offers the desired functionality with std::stod :
std::string s = "0.6"
std::wstring ws = "0.7"
double d = std::stod(s);
double dw = std::stod(ws);
Generally for most other basic types, see <st...