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How to search in array of object in mongodb
...hout $elemMatch mongo will look for users with National Medal in some year and some award in 1975s, but not for users with National Medal in 1975.
See MongoDB $elemMatch Documentation for more info. See Read Operations Documentation for more information about querying documents with arrays.
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Loop backwards using indices in Python?
...y it's 10 MB, then creating the reverse indices upfront would take seconds and use up over 50 MB of memory. Using a reversed generator would take milliseconds and only use up a few bytes of memory.
– Blixt
Sep 29 '19 at 6:23
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How to get started on TDD with Ruby on Rails? [closed]
...have' not required.
Once I've got all my testing classes how do I go and deploy them?
Not sure about the question. You don't usually deploy the tests. Once you have all your testing classes simple type 'rake test' to run all your tests.
How time consuming TDD really is?
It saves time ...
Listing only directories using ls in Bash?
This command lists directories in the current path: ls -d */
26 Answers
26
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How to use mysql JOIN without ON condition?
Is it possible to write join query without ON statement? and how do these joins differ LEFT JOIN, RIGHT JOIN works.
2 A...
Execute bash script from URL
...nately, leave off the initial redirection on yours, which is redirecting standard input; bash takes a filename to execute just fine without redirection, and <(command) syntax provides a path.
bash <(curl -s http://mywebsite.com/myscript.txt)
It may be clearer if you look at the output of ec...
How do I 'svn add' all unversioned files to SVN?
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also you could probably dig up sed and grep on windows if you really wanted.
– Sam Saffron
Jul 2 '09 at 5:13
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Fill SVG path element with a background-image
...100" height="100" />
</pattern>
</defs>
Adjust the width and height according to your image, then reference it from the path like this:
<path d="M5,50
l0,100 l100,0 l0,-100 l-100,0
M215,100
a50,50 0 1 1 -100,0 50,50 0 1 1 100,0
M265,50
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Using Tint color on UIImageView
I have my own subclass of UIButton . I add UIImageView on it and add an image. I would like to paint it over the image with a tint color but it doesn't work.
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How to use transactions with dapper.net?
...tements on multiple tables. I am using dapper.net. I don't see any way to handle transactions with dapper.net.
5 Answers
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