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Add number of days to a date

...nds since January 1 1970 00:00:00 UTC), relative to the timestamp given in now, or the current time if now is not supplied. while date Returns a string formatted according to the given format string using the given integer timestamp or the current time if no timestamp is given. See the man...
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Logging in Scala

...ou can call info(...), debug(...), etc. I'm not a big fan of slf4j, but it now seems to be the predominant logging framework. Here's the description of SLF4J: The Simple Logging Facade for Java or (SLF4J) serves as a simple facade or abstraction for various logging frameworks, e.g. java.util.log...
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Failed to locate the winutils binary in the hadoop binary path

...ing hadoop version folder on GITHUB from the location as mentioned above.] Now, create a folder 'winutils' in C:\ drive. Now create a folder 'bin' inside folder 'winutils' and copy the winutils.exe in that folder. So the location of winutils.exe will be C:\winutils\bin\winutils.exe Now, open enviro...
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You have already activated X, but your Gemfile requires Y

...is. Basically what's happening is that you've updated rake to 0.9.2 which now conflicts with the version specified in your Gemfile. Previously the latest version of rake you had matched the version in your Gemfile, so you didn't get any warning when simply using rake. Yehuda Katz (one of the origi...
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When to use lambda, when to use Proc.new?

...ues on the next line return "Jason" end whowouldwin #=> "Jason" Now here's a Proc.new-created proc's return doing the same thing. You're about to see one of those cases where Ruby breaks the much-vaunted Principle of Least Surprise: def whowouldwin2 myproc = Proc.new {return "Freddy"}...
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In JavaScript, does it make a difference if I call a function with parentheses?

...they can be passed around exactly as if we were passing around values. So now to the difference of assignment: var operator = 3; var operand = 4; var ret = Multiply(operator, operand); At the point of defining the ret variable, Multiply is executed and the return value is assigned - ret becomes ...
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Android: textColor of disabled button in selector not showing?

...ce guy edited it to color but forgot to update it to @color in buttyStyle. Now its updated. – Adil Soomro May 15 '13 at 9:40 5 ...
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What Xcode keyboard shortcuts do you use regularly? [closed]

...quently use cmd-option-j to filter then navigate to source files. However now I find the open quickly command better (cmd-shift-O , type a few chars, return) – Robert Nov 30 '12 at 12:45 ...
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GitHub clone from pull request?

...fetch origin pull/2/head git checkout -b pullrequest FETCH_HEAD You will now be on a new branch that is on the state of the pull request. You might want to set up an alias by running git config --global alias.pro '!f() { git fetch -fu ${2:-origin} refs/pull/$1/head:pr/$1 && git checkout ...
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Scrolling child div scrolls the window, how do I stop that?

...er scroll wheels disappear and reappear based on the user moving the mouse now, so the above comment is problem no longer an issue. – Keith Holliday Oct 16 '15 at 3:42 ...