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Create Directory if it doesn't exist with Ruby
I am trying to create a directory with the following code:
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Which is better: … or …
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Do you need a type attribute at all? If you're using HTML5, no. Otherwise, yes. HTML 4.01 and XHTML 1.0 specifies the type attribute as required while HTML5 has it as optional, defaulting to text/javascript. HTML5 is now widely implemented, so if you use the HTML5 doctype, ...
Testing if jQueryUI has loaded
I'm trying to debug a website, and I think that jQueryUI may not have loaded properly. How can I test if jQueryUI has loaded?
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Putting text in top left corner of matplotlib plot
How can I put text in the top left (or top right) corner of a matplotlib figure, e.g. where a top left legend would be, or on top of the plot but in the top left corner? E.g. if it's a plt.scatter(), then something that would be within the square of the scatter, put in the top left most corner.
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How are “mvn clean package” and “mvn clean install” different?
...hat exactly are the differences between mvn clean package and mvn clean install ? When I run both of these commands, they both seem to do the same thing.
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C++ map access discards qualifiers (const)
The following code says that passing the map as const into the operator[] method discards qualifiers:
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Is there any way to close a StreamWriter without closing its BaseStream?
My root problem is that when using calls Dispose on a StreamWriter , it also disposes the BaseStream (same problem with Close ).
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Updating and committing only a file's permissions using git version control
Just turned an some.sh file into an executable ( chmod 755 ... ), the permissions were updated but not the content. Is there a way to commit the file into git, so that the executable bit will be restored/set on clone / checkout / pull ?
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Side-by-side plots with ggplot2
I would like to place two plots side by side using the ggplot2 package , i.e. do the equivalent of par(mfrow=c(1,2)) .
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How to configure PostgreSQL to accept all incoming connections
I've got a PostgreSQL data base that I'd like to configure to accept all incoming connections regardless of the source IP address. How can this be configured in the pg_hba.conf file? I'm using postgreSQL version 8.4.
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