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Xcode 4.2 debug doesn't symbolicate stack call
...ch a nice error message explaining the reason of the exception, but it's a start ...
– Nicu Surdu
Apr 27 '12 at 16:33
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Keep only first n characters in a string?
...tring
e.g.
'Hiya how are you'.substring(0,8);
Which returns the string starting at the first character and finishing before the 9th character - i.e. 'Hiya how'.
substring documentation
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SQL RANK() versus ROW_NUMBER()
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ROW_NUMBER : Returns a unique number for each row starting with 1. For rows that have duplicate values,numbers are arbitarily assigned.
Rank : Assigns a unique number for each row starting with 1,except for rows that have duplicate values,in which case the same ranking is a...
How to find the largest file in a directory and its subdirectories?
We're just starting a UNIX class and are learning a variety of Bash commands. Our assignment involves performing various commands on a directory that has a number of folders under it as well.
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Python's json module, converts int dictionary keys to strings
...es to the same mapping in %foo --- the key is evaluated as a scalar!
JSON started as a Javascript serialization technology. (JSON stands for JavaScript Object Notation.) Naturally it implements semantics for its mapping notation which are consistent with its mapping semantics.
If both ends of you...
Performance optimization strategies of last resort [closed]
...ience. I tried to explain this in a Dr. Dobbs article in November 1993, by starting from a conventionally well-designed non-trivial program with no obvious waste and taking it through a series of optimizations until its wall-clock time was reduced from 48 seconds to 1.1 seconds, and the source code ...
Passing Parameters JavaFX FXML
...tion.
In this example, we will use 5 files:
Main.java - Simply used to start the application and call the first controller.
Controller1.java - The controller for the first FXML layout.
Controller2.java - The controller for the second FXML layout.
Layout1.fxml - The FXML layout for the first scen...
How to configure socket connect timeout
...nect Method.
After invoking the Socket.ConnectAsync(SocketAsyncEventArgs), start a timer (timer_connection), if time is up, check whether socket connection is connected (if(m_clientSocket.Connected)), if not, pop up timeout error.
private void connect(string ipAdd,string port)
{
try
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Spring Boot not serving static content
...g({"","/", "/home"}) in my controller. Took out the "" and "/" and my MVC started working perfectly...Very Strange.
– skmansfield
Dec 26 '16 at 21:17
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How do I contribute to other's code in GitHub? [closed]
...request in github's web interface.
if it is a new Feature request, don't start the coding first. Remember to post an issue to discuss the new feature.
If the feature is well discuss and there are some +1 or the project owner approved it, assign the issue to yourself, then do the steps above.
Som...