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How do I get the MIN() of two fields in Postgres?

... LEAST(a, b): The GREATEST and LEAST functions select the largest or smallest value from a list of any number of expressions. The expressions must all be convertible to a common data type, which will be the type of the result (see Section 10.5 for details). NULL values in...
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Android - Launcher Icon Size

... @android developer, you can select "Legacy only" as the icon type if you want to generate icons without specifying the background layer. If you choose "Adaptive and Legacy", the legacy icons will be generated by merging the foreground and background lay...
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How can I see what I am about to push with git?

...etween what is on the remote and what you are about to push to the remote, select your local unpushed commit and right-click on the remote and choose "Diff this -> selected": share | improve thi...
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This IP, site or mobile application is not authorized to use this API key

...nsole/ 2) In the Credentials, under Public API Access, Create New key 3) Select the server key from the option. 4) Enter your IP Address on the field and if you have more ip addresses, you can just add on every single line.NOTE: Enter the IP Address only when you want to use it for your testing p...
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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al

...al code mask = ((r["dt"] >= startdate) & (r["dt"] <= enddate)) selected = r[mask] looks correct. However, if you do want and, then instead of a and b use (a-b).any() or (a-b).all(). share | ...
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Access denied for user 'root@localhost' (using password:NO)

...etting of the root user ; mysql> use mysql; Database changed mysql> select * from user; Empty set (0.00 sec) mysql> truncate table user; Query OK, 0 rows affected (0.00 sec) mysql> flush privileges; Query OK, 0 rows affected (0.01 sec) mysql> grant all privileges on *.* to root@loca...
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How to see an HTML page on Github as a normal rendered HTML page to see preview in browser, without

... You can also select the branch to publish in your repository settings, in the first tab (Options) near the bottom. It default to gh_pahes if the branch exists, else None (disabled). You can select master or any other branch. ...
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Replace input type=file by an image

... be updated with the filename or at least a message that the file has been selected successfully. The user has no visual input on what happened after he selected the file. Could this be done please? Perhaps change to a different image, when a file is chosen? – JoaMika ...
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How can I change the copyright template in Xcode 4?

... Xcode 4 (and above) stores this on a per-project basis. If you select the project in the Project Navigator (Cmd-1) and open the File Inspector (Cmd-Opt-1), you'll see a field for "Organization" under "Project Document". ...
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What is pseudopolynomial time? How does it differ from polynomial time?

...mon intuition for polynomial time is "time O(nk) for some k." For example, selection sort runs in time O(n2), which is polynomial time, while brute-force solving TSP takes time O(n · n!), which isn't polynomial time. These runtimes all refer to some variable n that tracks the size of the input. Fo...