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In Java, how do I parse XML as a String instead of a file?
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@shsteimer I am passing in xml string and it is returning null. It does not throw any exception. What must be wrong?
– sattu
Jun 28 '13 at 20:47
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XmlWriter to Write to a String Instead of to a File
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You need to create a StringWriter, and pass that to the XmlWriter.
The string overload of the XmlWriter.Create is for a filename.
E.g.
using (var sw = new StringWriter()) {
using (var xw = XmlWriter.Create(sw)) {
// Build Xml with xw.
}
return s...
nginx missing sites-available directory
I installed Nginx on Centos 6 and I am trying to set up virtual hosts. The problem I am having is that I can't seem to find the /etc/nginx/sites-available directory.
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Android - how do I investigate an ANR?
...Application Not Responding). I took a look at the traces.txt file in /data and I see a trace for my application. This is what I see in the trace.
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How to get multiple selected values of select box in php?
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Adding [] works for me both on POST and GET, but the resulting URI (with GET) is just too awful (..multiselect.php?ms%5B%5D=1&ms%5B%5D=2)
– Teson
May 3 '17 at 5:49
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Rails migrations: Undo default setting for a column
...n_default( :table_name, :column_name, from: nil, to: false )
end
Rails 3 and Rails 4
def up
change_column_default( :table_name, :column_name, nil )
end
def down
change_column_default( :table_name, :column_name, false )
end
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What is database pooling?
I just wanted to know the concept of database connection pooling and how it is achieved.
6 Answers
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How to check if a variable exists in a FreeMarker template?
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[#if userName??]
Hi ${userName}, How are you?
[/#if]
Or with the standard freemarker syntax:
<#if userName??>
Hi ${userName}, How are you?
</#if>
To check if the value exists and is not empty:
<#if userName?has_content>
Hi ${userName}, How are you?
</#if>
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What are the differences between mocks and stubs on Rhino Mocks?
I haven't play enough with this and usually use mocks, but I wonder what are the differences between this two and when to use one or the other on Rhino Mocks.
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What is the difference between an Azure Web Site and an Azure Web Role
What are the material differences between the new Azure Web Sites and the traditional Azure Web Roles for an ASP.NET MVC application? What reason would I choose a "web site" over a "web role" or vice versa?
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