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Sleep for milliseconds

... Note that there is no standard C API for milliseconds, so (on Unix) you will have to settle for usleep, which accepts microseconds: #include <unistd.h> unsigned int microseconds; ... usleep(microseconds); ...
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Trigger change event of dropdown

...nction(){ $('#countrylist').change(function(e){ // Your event handler }); // And now fire change event when the DOM is ready $('#countrylist').trigger('change'); }); You must declare the change event handler before calling trigger() or change() otherwise it won't be fired....
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Difference between var_dump,var_export & print_r

What is the difference between var_dump , var_export and print_r ? 2 Answers 2 ...
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JSR-303 @Valid annotation not working for list of child objects

...sses member of UserAddressesForm with @Valid annotation. See section 3.1.3 and 3.5.1 of JSR 303: Bean Validation. As I explained in my answer to the question Is there a standard way to enable JSR 303 Bean Validation using annotated method, this is the real use of @Valid annotation as per JSR 303. E...
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How can I change the thickness of my tag

... For consistency remove any borders and use the height for the <hr> thickness. Adding a background color will style your <hr> with the height and color specified. In your stylesheet: hr { border: none; height: 1px; /* Set the hr color ...
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How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version

...er to generate class files compatible with Java 1.4, use the following command line: javac -target 1.4 HelloWorld.java With newer versions of the Java compiler you are likely to get a warning about the bootstrap class path not being set. More information about this error is available in a blog po...
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Stylecop vs FXcop

...em, it would defeat the entire purpose of the tool.) FxCop, on the other hand, is a static analysis tool that works on the level of the managed assembly. It can be given directions via attributes because it can see attributes on code elements, e.g.. It detects problems that can be seen on the "bi...
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Typical .gitignore file for an Android app

Just put an Android project under git ( beanstalk ) version control via the command line ( mac terminal ). Next step is to set up exclusions. ...
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SQLAlchemy: cascade delete

...ession.query().filter().delete() (which doesn't put elements in the memory and deletes directly from db). Using this method sqlalchemy's cascade='all, delete' doesn't work. There is a solution though: ON DELETE CASCADE through db (note: not all databases support it). class Child(Base): __table...
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Remove HTML tags from a String

..., which is very useful if you want to allow only e.g. <b>, <i> and <u>. See also: RegEx match open tags except XHTML self-contained tags What are the pros and cons of the leading Java HTML parsers? XSS prevention in JSP/Servlet web application ...