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Check number of arguments passed to a Bash script
...parameters"
fi
Suggestions
When in Bash, prefer using [[ ]] instead as it doesn't do word splitting and pathname expansion to its variables that quoting may not be necessary unless it's part of an expression.
[[ $# -ne 1 ]]
It also has some other features like unquoted condition grouping, pattern ...
Difference between map, applymap and apply methods in Pandas
... a function on 1D arrays to each column or row. DataFrame’s apply method does exactly this:
In [116]: frame = DataFrame(np.random.randn(4, 3), columns=list('bde'), index=['Utah', 'Ohio', 'Texas', 'Oregon'])
In [117]: frame
Out[117]:
b d e
Utah -0.029638 1.0815...
Origin null is not allowed by Access-Control-Allow-Origin
...local file system, so that suggests that you're loading the HTML page that does the load call via a file:/// URL (e.g., just double-clicking it in a local file browser or similar). Different browsers take different approaches to applying the Same Origin Policy to local files.
My guess is that you'r...
lose vim colorscheme in tmux mode
...running iterm2 and when I'm in tmux mode the colorscheme I have set in vim does not show up. Only the color scheme I've set in iterm. If I run vim from shell the colorscheme appears correct - its only when I'm in tmux mode.
...
Read/Write String from/to a File in Android
...it is cached it just pulls it out from cache and just shows it, if it just does pull it out, how do I add an if conditional to say not to query my servers
– Lion789
Mar 8 '14 at 5:55
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Purpose of Python's __repr__
...ng the string to the interpreter should recreate the object). If an object does not have a __str__ method, however, __repr__ is used instead. Also as noted: this example actually prints the __str__ method of self.x and self.y: %r should be used instead of %s in the string formatting operation (since...
JavaScript: How to find out if the user browser is Chrome?
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This does not work for IE10. typeof window.chrome in IE10 returns {object}
– magritte
May 30 '13 at 11:00
2
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Initialize a byte array to a certain value, other than the default null? [duplicate]
... How come this is legal but new byte {4,3,2}; throws an error saying byte doesn't implement the enumerable type?
– anon58192932
Nov 16 '12 at 22:00
2
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How can I change IIS Express port for a site
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That doesn't work for Web Sites. Only for Web Application projects.
– Supersharp
Mar 1 '16 at 15:08
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How do I tar a directory of files and folders without including the directory itself?
...should do the job in one line. It works well for hidden files as well. "*" doesn't expand hidden files by path name expansion at least in bash. Below is my experiment:
$ mkdir my_directory
$ touch my_directory/file1
$ touch my_directory/file2
$ touch my_directory/.hiddenfile1
$ touch my_directory/....