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How to run SQL script in MySQL?
... If the purpose of writing to file is taking data dump, I guess SELECT ... INTO OUTFILE /path/to/file.csv is more efficient way. See options and syntax here - dev.mysql.com/doc/refman/5.7/en/select-into.html
– Anis
Feb 21 '18 at 6:43
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IF statement: how to leave cell blank if condition is false (“” does not work)
...ls in a column, I would recommend filtering on the column for blanks, then selecting the resulting cells and pressing Del. After which you can remove the filter.
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Express.js req.body undefined
... automatically add the 'Content-Type: application/json' header even if you select raw > json.
– Jordan
Sep 29 '13 at 8:20
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Reorder / reset auto increment primary key
...riable, this is okay: SET @a = @a + 1; For other statements, such as SELECT, you might get the results you expect, but this is not guaranteed. In the following statement, you might think that MySQL will evaluate @a first and then do an assignment second: SELECT @a, @a:=@a+1, ...; However...
How to get the list of all installed color schemes in Vim?
...a list of all installed color schemes in Vim? That would make very easy to select one without looking at the .vim directory.
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Showing which files have changed between two revisions
...n use gitk.
Run:
$ gitk --all
Right click on a commit of a branch and select Mark this commit in the pop-up menu.
Right click on a commit of another branch and select Diff this -> marked commit or Diff marked commit -> this.
Then there will be a changed files list in the right bottom ...
Adding external library in Android studio
... Found ass module dependency but then I got dialog "Choose Modules\nSelect the modules the current module should depend on:\nNothing to show\n[Ok] [Cancel]". Not able to select downloaded library.
– David162795
Aug 1 '18 at 10:48
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Method Overloading for null argument
... an explicit "null" (yet implicit null type) argument always unambiguously selects a specific overload ??
– peterk
Jul 18 '17 at 21:43
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Check if a value exists in pandas dataframe index
...ues or the index by appending the ".values" method, e.g.
g in df.<your selected field>.values
g in df.index.values
I find that adding the ".values" to get a simple list or ndarray out makes exist or "in" checks run more smoothly with the other python tools. Just thought I'd toss that out th...
How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]
...es" and create a Snapshot of your instance's volume.
Go to "Snapshots" and select "Create Image from Snapshot".
Go to "AMIs" and select "Launch Instance" and choose your "Instance Type" etc.
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