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String difference in Bash
...trying to find a way to determine the difference between two strings in my script. I could easily do this with diff or comm, but I'm not dealing with files and I'd prefer not to output them to files, do the compare and read it back.
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Spinlock versus Semaphore
...xpands to a void statement.
Also, when we are trying to compare Semaphore vs Spin-lock, I believe semaphore refers to the one used in kernel - NOT the one used for IPC (userland).
Basically, spin-lock shall be used if critical section is small (smaller than the overhead of sleep/wake-up) and crit...
What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?
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From http://www.javaroots.com/2013/02/classnotfoundexception-vs.html:
ClassNotFoundException : occurs when class loader could not find the required class in class path. So, basically you should check your class path and add the class in the classpath.
NoClassDefFoundError : this is m...
Which is more efficient, a for-each loop, or an iterator?
... more power over explicitly using a type of iterator (e.g. List.iterator() vs. List.listIterator(), although in most cases they return the same implementation). You also have the ability to reference the Iterator in your loop. This allows you to do things like remove items from your collection wit...
Possible heap pollution via varargs parameter
...ntains references whose types are not what we might expect? (List<A> vs List<B> in your example)
– hertzsprung
Sep 17 '12 at 16:03
37
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Use 'import module' or 'from module import'?
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Even though many people already explained about import vs import from, I want to try to explain a bit more about what happens under the hood, and where all the places it changes are.
import foo:
Imports foo, and creates a reference to that module in the current namespace. The...
How to use a WSDL
...re is no URL where WSDL can be accessed and then adding a Web reference in VS won't work. However, the provider does want YOU (I mean OP) to know all you need to know about the service contract, that's why they sent the WSDL file. Now the OP needs to generate the proxy code from it, the question i...
Copy folder structure (without files) from one location to another
... with getconf ARG_MAX.) With a lot of directories, you may have to write a script to loop through the output instead.
– palswim
Oct 13 '15 at 21:26
1
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How to read a text file into a string variable and strip newlines?
... for the clarification. So, it seems that my version might be ok for small scripts - but OTOH it should preferably be avoided altogether to not make it a habit.
– tuomassalo
Oct 20 '13 at 17:18
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MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...ghlighted with a framed border
void SetAutoSizeStyle(int nStyle = GVS_BOTH)
Sets how the auto-sizing should be performed. GVS_BOTH = use fixed and non fixed cells; GVS_HEADER = use only the fixed cells; GVS_DATA = use only non-fixed cells.
int GetAutoSizeStyle()
Gets how the auto...