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ALTER TABLE to add a composite primary key

... ALTER TABLE provider ADD PRIMARY KEY(person,place,thing); If a primary key already exists then you want to do this ALTER TABLE provider DROP PRIMARY KEY, ADD PRIMARY KEY(person, place, thing); ...
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Colspan all columns

... all TDs in any of the above browsers. Maybe not recommended as proper markup practice, but if you give a higher colspan value than the total possible no. of columns in other rows, then the TD would span all the columns. This does NOT work when the table-layout CSS property is set to fixed. Once...
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Connect to a heroku database with pgadmin

I would like to manage my heroku database with pgadmin client. By now, I've been doing this with psql . When I use data from heroku pg:credentials to connect de DB using pgadmin , I obtain: ...
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How to get the position of a character in Python?

...gt;>> myString.index('s') 2 >>> myString.index('x') Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: substring not found From the Python manual string.find(s, sub[, start[, end]]) Return the lowest index in s where the substrin...
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String.Empty versus “” [duplicate]

... Michael Myers♦Michael Myers 173k4040 gold badges273273 silver badges288288 bronze badges ...
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How do I compile C++ with Clang?

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Operational Transformation library?

I'm looking for a library that would allow me to synchronize text in real-time between multiple users (ala Google Docs). 14...
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Javascript parseInt() with leading zeros

Javascript's parseInt function does not seem to completely work. 7 Answers 7 ...
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How to get JSON from webpage into Python script

...loads(response.read()) print data The output would result in something like this: { "results" : [ { "address_components" : [ { "long_name" : "Charleston and Huff", "short_name" : "Charleston and Huff", "types" : [ "establishment", "point_of_inte...
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Xcode: issue “file xxx.png is missing from working copy” at project building

... Alexander VaseninAlexander Vasenin 10.8k33 gold badges3737 silver badges6262 bronze badges ...