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Rotating and spacing axis labels in ggplot2

... Change the last line to q + theme(axis.text.x = element_text(angle = 90, vjust = 0.5, hjust=1)) By default, the axes are aligned at the center of the text, even when rotated. When you rotate +/- 90 degrees, you usually want it to be aligned at the edge instead: The image ab...
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How to get Twitter-Bootstrap navigation to show active link?

...g the same code over and over. I would recommend at least using the current_page? method to check the current controller/action, and would also move the code into a helper to avoid the code repetition. – Dustin Frazier May 9 '12 at 17:17 ...
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Converting from a string to boolean in Python?

... Use: bool(distutils.util.strtobool(some_string)) Python 2: http://docs.python.org/2/distutils/apiref.html?highlight=distutils.util#distutils.util.strtobool Python 3: https://docs.python.org/3/distutils/apiref.html#distutils.util.strtobool True values are y...
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Difference between Destroy and Delete

... Basically destroy runs any callbacks on the model while delete doesn't. From the Rails API: ActiveRecord::Persistence.delete Deletes the record in the database and freezes this instance to reflect that no changes should be ...
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When to encode space to plus (+) or %20?

...value is query value with a space, but the folder name in the path is literally foo+bar, not foo bar. %20 is a valid way to encode a space in either of these contexts. So if you need to URL-encode a string for inclusion in part of a URL, it is always safe to replace spaces with %20 and pluses with ...
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Is there a way to iterate over a slice in reverse in Go?

... How about use defer: s := []int{5, 4, 3, 2, 1} for i, _ := range s { defer fmt.Println(s[i]) } share | improve this answer | follow | ...
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How to generate a random int in C?

... Note: Don't use rand() for security. If you need a cryptographically secure number, see this answer instead. #include <time.h> #include <stdlib.h> srand(time(NULL)); // Initialization, should only be called once. int r = rand(); // Returns a pseudo-random integer bet...
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What does the smiley face “:)” mean in CSS?

...wsers. Also there's a hack for <= IE 8: div { color: blue; /* All browsers */ color: purple\9; /* IE8 and earlier */ *color: pink; /* IE7 and earlier */ } However that's not a good idea, they don't validate. You always feel free to work with Conditional comments for targeting...
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Base64 encoding in SQL Server 2005 T-SQL

...coding FROM ( SELECT CAST('TestData' AS VARBINARY(MAX)) AS bin ) AS bin_sql_server_temp; -- Decode the Base64-encoded string "VGVzdERhdGE=" to get back "TestData" SELECT CAST( CAST(N'' AS XML).value( 'xs:base64Binary("VGVzdERhdGE=")' , 'VARBINARY(MAX)' ...
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Convert integer to string Jinja

... my case I've got integers as strings coming from JSON content files: "hero_title_img_w": "111" and "hero_title_img2_w": "222". Then I'm adding them in .NJK file: {{ hero_title_img_w|int + hero_title_img2_w|int }} to use as image's width attribute. Hope it helps somebody one day. ...