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Rails migration for change column
We have script/generate migration add_fieldname_to_tablename fieldname:datatype syntax for adding new columns to a model.
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Immutable array in Java
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Jason SJason S
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How can I test what my readme.md file will look like before committing to github?
I am writing a readme for my github project in the .md format. Is there a way can I test what my readme.md file will look like before committing to github?
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How to trigger HTML button when you press Enter in textbox?
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$(document).ready(function(){
$('#TextBoxId').keypress(function(e){
if(e.keyCode==13)
$('#linkadd').click();
});
});
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Can I use a collection initializer for Dictionary entries?
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var names = new Dictionary<int, string> {
{ 1, "Adam" },
{ 2, "Bart" },
{ 3, "Charlie" }
};
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How to use SharedPreferences in Android to store, fetch and edit values [closed]
...tSharedPreferences(
"com.example.app", Context.MODE_PRIVATE);
To read preferences:
String dateTimeKey = "com.example.app.datetime";
// use a default value using new Date()
long l = prefs.getLong(dateTimeKey, new Date().getTime());
To edit and save preferences
Date dt = getSomeDate();
p...
In what cases will HTTP_REFERER be empty
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It will/may be empty when the enduser
entered the site URL in browser address bar itself.
visited the site by a browser-maintained bookmark.
visited the site as first page in the window/tab.
clicked a link in an external application.
switched from a https URL to a http URL.
switched from a http...
Python: avoid new line with print command [duplicate]
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Sven MarnachSven Marnach
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Sql query to insert datetime in SQL Server
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Sandra Guilep Zouaoui Zandeh
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answered Oct 18 '12 at 14:59
RichardTheKiwiRichardTheKiwi
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What is the best open-source java charting library? (other than jfreechart) [closed]
...eChart, and it's awesome. You can get documentation and examples by downloading the developer's guide. There are also tons of free online tutorials if you search for them.
JFreeChart - Tutorial
Introduction to JFreeChart
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