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How to make Java honor the DNS Caching Timeout?

....URL; import java.net.URLConnection; public class Test { final static String hostname = "www.google.com"; public static void main(String[] args) { // only required for Java SE 5 and lower: //Security.setProperty("networkaddress.cache.ttl", "30"); System.out.println(...
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PHP: How to check if image file exists?

... You need the filename in quotation marks at least (as string): if (file_exists('http://www.mydomain.com/images/'.$filename)) { … } Also, make sure $filename is properly validated. And then, it will only work when allow_url_fopen is activated in your PHP config ...
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Click outside menu to close in jquery

...enu that shows on a click, as per business requirements. The menu becomes hidden again after you mouse away from it. 15 Ans...
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Sql query to insert datetime in SQL Server

... A more language-independent choice for string literals is the international standard ISO 8601 format "YYYY-MM-DDThh:mm:ss". I used the SQL query below to test the format, and it does indeed work in all SQL languages in sys.syslanguages: declare @sql nvarchar(400...
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Using jQuery how to get click coordinates on the target element

...element ( or ) simply the mouse pointer location Try this Demo : http://jsfiddle.net/AMsK9/ Edit : 1) event.pageX, event.pageY gives you the mouse position relative document ! Ref : http://api.jquery.com/event.pageX/ http://api.jquery.com/event.pageY/ 2) offset() : It gives the offset p...
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Reset identity seed after deleting records in SQL Server

...database table. The table had a primary key defined and the auto increment identity seed is set to “Yes”. This is done primarily because in SQL Azure, each table has to have a primary key and identity defined. ...
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How to debug a single thread in Visual Studio?

...(select all breakpoints). Right click and select "Filter...". Enter "ThreadId=(current thread id)". In Visual Studio 2015 and newer, the process is similar: Hit Ctrl+A in the breakpoints window (select all breakpoints). Right click and select "Settings...". Check "Conditions" and select "Filter"...
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How do I open the SearchView programmatically?

There is this widget for the ActionBar which called 'SearchView'. When it's not in use, it looks like this: 7 Answers ...
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Getting the exception value in Python

...rror message. It should be noted that just using str will return an empty string if there's no error message whereas using repr as pyfunc recommends will at least display the class of the exception. My take is that if you're printing it out, it's for an end user that doesn't care what the class is ...
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How is a CRC32 checksum calculated?

... For CRC32 or CRC32b , do we get hash collision meaning for two different strings do we get same CRC – indianwebdevil May 18 at 2:42 1 ...