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How to add lines to end of file on Linux
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The easiest way to redirect the output of the echo by >>
echo 'VNCSERVERS="1:root"' >> /etc/sysconfig/configfile
echo 'VNCSERVERARGS[1]="-geometry 1600x1200"' >> /etc/sysconfig/configfile
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Which characters are valid/invalid in a JSON key name?
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No. Any valid string is a valid key. It can even have " as long as you escape it:
{"The \"meaning\" of life":42}
There is perhaps a chance you'll encounter difficulties loading such values into some languages, which try to associate keys with object field names. I don't know of any such cas...
How to accept Date params in a GET request to Spring MVC Controller?
I've a GET request that sends a date in YYYY-MM-DD format to a Spring Controller.
The controller code is as follows:
5 Answ...
Serializing an object to JSON
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You're looking for JSON.stringify().
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Check if a given Type is an Enum
I am writing a JsonConverter for Json.NET which should allow me to convert any enum's to a string value defined by a [Description] attribute.
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How to disable textarea resizing?
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You can use css
disable all
textarea { resize: none; }
only vertical resize
textarea { resize: vertical; }
only horizontal resize
textarea { resize: horizontal; }
disable vertical and horizontal with limit
textar...
How does Rails keep track of which migrations have run for a database?
According to Rails doc: http://guides.rubyonrails.org/migrations.html
1 Answer
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JavaScript hard refresh of current page
...sh means getting a fresh copy of the page AND refresh all the external resources (images, JavaScript, CSS, etc.).
2 Answers...
Python - use list as function parameters
How can I use a Python list (e.g. params = ['a',3.4,None] ) as parameters to a function, e.g.:
4 Answers
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Restart/undo conflict resolution in a single file
...e with several conflicting files, I incorrectly marked a file as resolved (using git add FILE after some editing)
2 Answe...