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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...
C++ error: undefined reference to 'clock_gettime' and 'clock_settime'
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answered Mar 10 '10 at 15:38
Dmitry YudakovDmitry Yudakov
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How to urlencode a querystring in Python?
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13 Answers
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Convert Python program to C/C++ code? [closed]
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Lennart RegebroLennart Regebro
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C# Sortable collection which allows duplicate keys
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answered Feb 19 '14 at 16:23
KnasterbaxKnasterbax
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How to check for valid email address? [duplicate]
...e
if not re.match(r"... regex here ...", email):
# whatever
Python ≥3.4 has re.fullmatch which is preferable to re.match.
Note the r in front of the string; this way, you won't need to escape things twice.
If you have a large number of regexes to check, it might be faster to compile the reg...
How do I remove background-image in css?
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346
Try:
div#a {
background-image:none
}
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How to convert int to QString?
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edited Aug 17 '15 at 7:38
tomvodi
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answered Ju...
reducing number of plot ticks
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273
Alternatively, if you want to simply set the number of ticks while allowing matplotlib to positi...