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Why do pthreads’ condition variable functions require a mutex?
... related functions (like pthread_cond_wait(3) ) require a mutex as an argum>me m>nt. Why? As far as I can tell, I’m going to be creating a mutex just to use as that argum>me m>nt? What is that mutex supposed to do?
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Use JAXB to create Object from XML String
How can I use the below code to unmarshal a XML string an map it to the JAXB object below?
4 Answers
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Disable copy constructor
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You can make the copy constructor private and provide no implem>me m>ntation:
private:
SymbolIndexer(const SymbolIndexer&);
Or in C++11, explicitly forbid it:
SymbolIndexer(const SymbolIndexer&) = delete;
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In what cases will HTTP_REFERER be empty
...what circumstances does this happen? If I get an empty one, does it always m>me m>an that the user changed it? Is getting an empty one the sam>me m> as getting a null one? and under what circumstances do I get that too?
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Get ffmpeg information in friendly way
Every tim>me m> I try to get som>me m> information about my video files with ffmpeg, it pukes a lot of useless information mixed with good things.
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Is it considered bad practice to perform HTTP POST without entity body?
I need to invoke a process which doesn't require any input from the user, just a trigger. I plan to use POST /uri without a body to trigger the process. I want to know if this is considered bad from both HTTP and REST perspectives?
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ViewParam vs @ManagedProperty(value = “#{param.id}”)
What is the difference between defining View Params like this:
2 Answers
2
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Does PowerShell support constants?
I would like to declare som>me m> integer constants in PowerShell.
6 Answers
6
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How do I escape reserved words used as column nam>me m>s? MySQL/Create Table
I am generating tables from classes in .NET and one problem is a class may have a field nam>me m> key which is a reserved MySQL keyword. How do I escape it in a create table statem>me m>nt? (Note: The other problem below is text must be a fixed size to be indexed/unique)
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How do I finish the m>me m>rge after resolving my m>me m>rge conflicts?
I've read the Basic Branching and m>Me m>rging section of the Git Community Book.
11 Answers
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