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Rails 3 check if attribute changed
...umentation is really good, but it lets you do things such as:
@user.street1_changed? # => true/false
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@UniqueConstraint and @Column(unique = true) in hibernate annotation
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148
As said before, @Column(unique = true) is a shortcut to UniqueConstraint when it is only a sin...
Python: Ignore 'Incorrect padding' error when base64 decoding
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Is GridFS fast and reliable enough for production?
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118
I use gridfs at work on one of our servers which is part of a price-comparing website with hon...
How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)
...nable to specify values for data- attributes such as data-externalid="23521"
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JComboBox Selection Change Listener?
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162
It should respond to ActionListeners, like this:
combo.addActionListener (new ActionListener ...
invalid command code ., despite escaping periods, using sed
...ly and giving '' as argument to -i:
find ./ -type f -exec sed -i '' -e "s/192.168.20.1/new.domain.com/" {} \;
See this.
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How to get current timestamp in milliseconds since 1970 just the way Java gets
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If you have access to the C++ 11 libraries, check out the std::chrono library. You can use it to get the milliseconds since the Unix Epoch like this:
#include <chrono>
// ...
using namespace std::chrono;
milliseconds ms = duration_cast< millis...