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Modify table: How to change 'Allow Nulls' attribute from not null to allow null
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For MySQL, MariaDB
ALTER TABLE [table name] MODIFY COLUMN [column name] [data type] NULL
Use MODIFY COLUMN instead of ALTER COLUMN.
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How do I print a list of “Build Settings” in Xcode project?
...hmvgxgf/ArchiveIntermediates/Project Distribution/BuildProductsPath"
BUILD_ROOT "/Users/username/Library/Developer/Xcode/DerivedData/project-dxdgjvgsvvbhowgjqouevhmvgxgf/ArchiveIntermediates/Project Distribution/BuildProductsPath"
BUILD_STYLE
BUILD_...
MongoDb query condition on comparing 2 fields
...t those with condition Grade1 > Grade2 , how can I get a query like in MySQL?
4 Answers
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What is the difference between “expose” and “publish” in Docker?
...expose bash
Inside the container, I launch a few instances of mini-httpd:
root@fb8f7dd1322d:/# mini_httpd -p 80
root@fb8f7dd1322d:/# mini_httpd -p 8080
root@fb8f7dd1322d:/# mini_httpd -p 8090
I am then able to use curl from the host or other containers to fetch the home page of mini-httpd.
Furthe...
Alternative for PHP_excel
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@RZB - You use whichever library works for you, though MySQL doesn't (as far as I'm aware) have any native import function for .xls files, only for .csv using LOAD DATA INFILE. As the developer of PHPExcel, I will certainly promote it and recommend it where appropriate, but I don...
DESTDIR and PREFIX of make
...ersion installed already and not want to disturb it, or he may not even be root. So he uses
./configure --prefix=/usr
so the program will expect to be installed in /usr when it runs, then
make install DESTDIR=debian/tmp
to actually create the directory structure.
make install prefix=***
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.gitignore exclude files in directory but not certain directories
... .gitignore files in the folders you want to keep. You can put this in the root .gitignore as follows:
application/cache/*
application/cache/folder/*
application/cache/folder/onemorefolder/*
!*.gitkeep
Now just create and commit empty .gitkeep files into the directories as listed above. The folde...
Is a statically-typed full Lisp variant possible?
...which is nothing new in Typed Racked (same deal as a function that takes a union type of String and Number). An implicit way to see that this can be done is the fact that you can write and use a dynamically typed language in an HM-statically-typed language.
– Eli Barzilay
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Get the current script file name
...heir own impotence, But you can safe your url using different filers, like mysql_real_escape_string, stripslashes etc..
– Khandad Niazi
Jan 29 '14 at 15:43
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Using vagrant to run virtual machines with desktop environment
...etter experience, I recommend these improvements:
Don't start the GUI as root. You really want to stay the vagrant user. To do this you need to permit anyone to start the GUI: sudo vim /etc/X11/Xwrapper.config and edit it to allowed_users=anybody.
Next, install the VirtualBox guest tools before st...