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What is the difference between char s[] and char *s?
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The difference here is that
char *s = "Hello world";
will place "Hello world" in the read-only parts of the memory, and making s a pointer to that makes any writing operation on this memory illegal.
While doing:
char s[] = ...
Importing files from different folder
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Note: This answer was intended for a very specific question. For most programmers coming here from a search engine, this is not the answer you are looking for. Typically you would structure your files into packages (see other answers) instead of modifying the search path...
throws Exception in finally blocks
...Elsewhere:
protected void closeQuietly( Resource resource ) {
try {
if (resource != null) {
resource.close();
}
} catch( Exception ex ) {
log( "Exception during Resource.close()", ex );
}
}
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In JPA 2, using a CriteriaQuery, how to count results
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@Barett if it's a rather large count you probably don't want to load a list of hundreds or thousands of entities into memory just to find out how many there are!
– Affe
Dec 10 '12 at 6:31
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Hide console window from Process.Start C#
...tart a process without showing the console window. I tested with several different combinations of property values until I found one that exhibited the behavior I wanted.
Here is a page detailing why the UseShellExecute property must be set to false.
http://msdn.microsoft.com/en-us/library/syst...
Rails: Get Client IP address
...of all the available IP address information and it will make a best-guess. If you access the variables directly you assume responsibility for testing them in the correct precedence order. Proxies introduce a number of headers that create environment variables with different names.
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mailto link multiple body lines
...s, user olibre points out that the RFC governing the mailto URI scheme specifies that %0D%0A (carriage return + line feed) should be used instead of %0A (line feed). See also: Newline Representations.
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How to use getJSON, sending data with post method?
..."json");
In that call, dataToBeSent could be anything you want, although if are sending the contents of a an html form, you can use the serialize method to create the data for the POST from your form.
var dataToBeSent = $("form").serialize();
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Get source JARs from Maven repository
Does anyone have any idea if you can find source JARs on Maven repositories?
19 Answers
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MySQL: Sort GROUP_CONCAT values
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Your code is heavily relied upon for your specific answer, and therefore should not be placed anywhere but your original post. If you put it here in this comment, many programmers here won't see it, and you won't get the best possible response :)
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