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How to check if an array field contains a unique value or another array in MongoDB?
...ll : [ 'tag1', 'tag2' ] }}); //2
db.blogpost.find({ 'tags' : { $in : [ 'tag3', 'tag4' ] }}); //3
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Difference between Ctrl+Shift+F and Ctrl+I in Eclipse
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123
If you press CTRL + I it will just format tabs/whitespaces in code and pressing CTRL + SHIFT + F...
'float' vs. 'double' precision
...ry representation, not a decimal one.
Single precision (float) gives you 23 bits of significand, 8 bits of exponent, and 1 sign bit.
Double precision (double) gives you 52 bits of significand, 11 bits of exponent, and 1 sign bit.
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Getting the return value of Javascript code in Selenium
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– dbJones
Oct 26 '15 at 22:43
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quick note for those newbs, return_value = wd.execute_scr...
How to convert byte array to Bitmap
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edited Jul 31 '16 at 15:30
manfcas
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How do I stop a Git commit when VI is on the screen waiting for a commit message?
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3 Answers
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Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...nt_file_name :image, :matches => [/png\Z/, /jpe?g\Z/, /gif\Z/]
Option 3: Do not validate
If for some crazy reason (can be valid but I cannot think of one right now), you do not wish to add any content_type validation and allow people to spoof Content-Types and receive data you weren't expectin...
How do I enable gzip compression when using MVC3 on IIS7?
Does anybody know how to enable gzip compression in MVC 3? I'm using IIS7.
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What is the purpose and uniqueness SHTML?
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Rob GrantRob Grant
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How to do a newline in output
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337
Use "\n" instead of '\n'
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