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How to map and remove nil values in Ruby
I have a map which either changes a value or sets it to nil. I then want to remove the nil entries from the list. The list doesn't need to be kept.
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Bash Templating: How to build configuration files from templates with Bash?
I'm writing a script to automate creating configuration files for Apache and PHP for my own webserver. I don't want to use any GUIs like CPanel or ISPConfig.
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How to compute the similarity between two text documents?
...ts()
im = ax.imshow(values)
# We want to show all ticks...
ax.set_xticks(np.arange(len(x_labels)))
ax.set_yticks(np.arange(len(y_labels)))
# ... and label them with the respective list entries
ax.set_xticklabels(x_labels)
ax.set_yticklabels(y_labels)
# Rotate the ti...
Get exit code of a background process
...en for processes you created if a tool like sudo is involved or if they're setuid (and possibly drop privs).
– Craig Ringer
May 27 '13 at 7:39
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Pythonic way to check if a list is sorted or not
Is there a pythonic way to check if a list is already sorted in ASC or DESC
23 Answers
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How to use Swift @autoclosure
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How to add text inside the doughnut chart using Chart.js?
...ughnut sized perfect for the doughnut. To avoid touching the edges you can set a side-padding as a percentage of the diameter of the inside of the circle. If you don't set it, it will default to 20. You also the color, the font, and the text. The plugin takes care of the rest.
The plugin code will ...
Computed read-only property vs function in Swift
...s for just that: properties; meaning simple values that you can get and/or set. I use functions (or methods) when actual work is being done. Maybe something has to be computed or read from disk or from a database: In this case I use a function, even when only a simple value is returned. That way I c...
What is the exact meaning of IFS=$'\n'?
If the following example, which sets the IFS environment variable to a line feed character...
6 Answers
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tinyxml XML解析库下载（tinyxml2.h 和 tinyxml2.cpp） - 源码下载 - 清泛...
...ir() : _flags( 0 ), _start( 0 ), _end( 0 ) {}
~StrPair();
void Set( char* start, char* end, int flags ) {
Reset();
_start = start;
_end = end;
_flags = flags | NEEDS_FLUSH;
}
const char* GetStr();
bool Empty() const {
r...