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How can I add a column that doesn't allow nulls in a Postgresql database?

... postgres doc offline by doing man ALTER_TABLE :) – allan.simon Oct 18 '15 at 19:49 @allan.simon I've never used Post...
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Doing a cleanup action just before Node.js exits

...rocess.on('exit') and in any other case(SIGINT or unhandled exception) to call process.exit() process.stdin.resume();//so the program will not close instantly function exitHandler(options, exitCode) { if (options.cleanup) console.log('clean'); if (exitCode || exitCode === 0) console.log(ex...
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Java: Clear the console

... There is no executable named cls.exe or cls.com in a standard Windows installation that could be invoked via Runtime.exec, as the well-known command cls is builtin to Windows’ command line interpreter. When launching a new process via Runtime.exec, the standard output gets redirected to a pipe wh...
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Should a “static final Logger” be declared in UPPER-CASE?

...aph 3.3 Field Naming Names of fields being used as constants should be all upper-case, with underscores separating words. The following are considered to be constants: All static final primitive types (Remember that all interface fields are inherently static final). All static final ob...
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How can you undo the last git add?

...nch, some staged, some not. At some point, some foolish programmer accidentally executed: 9 Answers ...
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ERROR ITMS-9000: “Redundant Binary Upload. There already exists a binary upload with build version '

...s version 3.75 and a build 1 has already been submitted, then next build shall be 2 or higher, but the version can still remain 3.75. New updated and the recommended way of having the build numbers serial: The older image to match the one below: After a new binary is uploaded and processed (~5-...
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Are NSLayoutConstraints animatable? [duplicate]

...g now (I was using this pattern before but still with no success)...I was calling setNeedsLayout instead of layoutIfNeeded Surely a DOH moment! Actually just changing a constraint automatically calls setNeedsLayout so I guess layoutIfNeeded overrides it somehow. – borrrden ...
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How to write a simple database engine [closed]

...ny, so I am hoping someone else can point me in the right direction. Basically, I would like information on the following: ...
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innerText vs innerHTML vs label vs text vs textContent vs outerText

... a couple of differences: Note that while textContent gets the content of all elements, including <script> and <style> elements, the mostly equivalent IE-specific property, innerText, does not. innerText is also aware of style and will not return the text of hidden elements, whereas te...
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How can I debug my JavaScript code? [closed]

... @NinaScholz Now all browsers come with jetpacks by default ! – oneCoderToRuleThemAll Jan 31 '17 at 17:59 add a comme...