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Bash command to sum a column of numbers [duplicate]
I want a bash command that I can pipe into that will sum a column of numbers. I just want a quick one liner that will do something essentially like this:
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What is the list of possible values for navigator.platform as of today? [closed]
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Disclaimer: please note this property is sent by the browser and can thus be faked, just like user agent strings. Never rely on the navigator object to be completely accurate.
The definition
As far as I know there isn't a single public list of all possible `navigator.platform` values, ...
How do you format an unsigned long long int using printf?
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Or to be precise it's for GNU libc, and doesn't work with Microsoft's C runtime.
– Mark Baker
Oct 8 '08 at 9:35
171
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How does the socket API accept() function work?
The socket API is the de-facto standard for TCP/IP and UDP/IP communications (that is, networking code as we know it). However, one of its core functions, accept() is a bit magical.
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How to set Python's default version to 3.x on OS X?
I'm running Mountain Lion and the basic default Python version is 2.7. I downloaded Python 3.3 and want to set it as default.
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Most lightweight way to create a random string and a random hexadecimal number
What is the most lightweight way to create a random string of 30 characters like the following?
13 Answers
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PyLint “Unable to import” error - how to set PYTHONPATH?
...inside Wing IDE on Windows. I have a sub-directory (package) in my project and inside the package I import a module from the top level, ie.
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What makes a keychain item unique (in iOS)?
...ws (derived from open source files from Apple, see Schema.m4, KeySchema.m4 and SecItem.cpp):
For a keychain item of class kSecClassGenericPassword, the primary key is the combination of
kSecAttrAccount and kSecAttrService.
For a keychain item of class kSecClassInternetPassword, the primary key is...
How to handle :java.util.concurrent.TimeoutException: android.os.BinderProxy.finalize() timed out af
...mber of TimeoutExceptions in GcWatcher.finalize, BinderProxy.finalize , and PlainSocketImpl.finalize . 90+% of them happen on Android 4.3. We're getting reports of this from Crittercism from users out in the field.
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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...