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undefined reference to boost::system::system_category() when compiling
...raries. I have the 1.46-dev Boost libraries from the Ubuntu Repository installed, but I get an error when compiling the program.
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What is the difference between ManualResetEvent and AutoResetEvent in .NET?
...or. The ManualResetEvent is the door, which needs to be closed (reset) manually. The AutoResetEvent is a tollbooth, allowing one car to go by and automatically closing before the next one can get through.
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How do I check if an object has a specific property in JavaScript?
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I'm really confused by the answers that have been given - most of them are just outright incorrect. Of course you can have object properties that have undefined, null, or false values. So simply reducing the property check to typeo...
Are types like uint32, int32, uint64, int64 defined in any stdlib header?
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This answer is wrong. All of the above are only available if an exact width type of that size (no padding) exists in the implementation. Even if not, however, the types int_leastNN_t and uint_leastNN_t for NN 8, 16, 32, and 64 must always exist. C...
Getter and Setter?
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That's not really setter and getter. Typically I need for each property different implementation of getter!
– sumid
Feb 16 '13 at 0:59
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Would it be beneficial to begin using instancetype instead of id?
...stancetype that, as far as I can see, replaces id as a return type in -alloc and init .
4 Answers
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How to search a string in multiple files and return the names of files in Powershell?
... large operations like that. It becomes very convoluted when you try to do all of that on one line and it is very easy to make a large mistake. I speak from experience
– Kolob Canyon
Sep 6 '18 at 15:44
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Why do we always prefer using parameters in SQL statements?
...uld be
SELECT empSalary from employee where salary = 0 or 1=1
whereby all empSalaries would be returned.
Further, a user could perform far worse commands against your database, including deleting it If they wrote 0; Drop Table employee:
SELECT empSalary from employee where salary = 0; Drop Ta...
python exception message capturing
...work, I get syntax error, what is the proper way of doing this for logging all kind of exceptions to a file
11 Answers
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Timeout on a function call
I'm calling a function in Python which I know may stall and force me to restart the script.
18 Answers
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