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How to profile methods in Scala?
...ant to do this without changing the code that you want to measure timings for? If you don't mind changing the code, then you could do something like this:
def time[R](block: => R): R = {
val t0 = System.nanoTime()
val result = block // call-by-name
val t1 = System.nanoTime()
p...
Set font-weight using Bootstrap classes
Is there any Twitter Bootstrap class for font-weight: bold and other values of font-weight ?
6 Answers
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Why do we need argc while there is always a null at the end of argv?
...onnegative.
argv[argc] shall be a null
pointer.
Providing argc therefore isn't vital but is still useful. Amongst other things, it allows for quick checking that the correct number of arguments has been passed.
Edit: The question has been amended to include C++. n3337 draft 3.6.1 Main funct...
How does password salt help against a rainbow table attack?
I'm having some trouble understanding the purpose of a salt to a password. It's my understanding that the primary use is to hamper a rainbow table attack. However, the methods I've seen to implement this don't seem to really make the problem harder.
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No module named setuptools
...le of twilio. When I install it through given command it is given me an error:
5 Answers
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The program can't start because libgcc_s_dw2-1.dll is missing
...tudio setup.
The libgcc_s_dw2-1.dll should be in the compiler's bin directory. You can add this directory to your PATH environment variable for runtime linking, or you can avoid the problem by adding "-static-libgcc -static-libstdc++" to your compiler flags.
If you plan to distribute the executab...
Add leading zeroes to number in Java? [duplicate]
...there a better way of getting this result? This function fails if num has more digits than digits, and I feel like it should be in the library somewhere (like Integer.toString(x,"%3d") or something)
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Url.Action parameters?
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The following is the correct overload (in your example you are missing a closing } to the routeValues anonymous object so your code will throw an exception):
<a href="<%: Url.Action("GetByList", "Listing", new { name = "John", contact = "ca...
Get Image size WITHOUT loading image into memory
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As the comments allude, PIL does not load the image into memory when calling .open. Looking at the docs of PIL 1.1.7, the docstring for .open says:
def open(fp, mode="r"):
"Open an image file, without loading the raster data"
There are a few file operations in the source like:
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How to pass objects to functions in C++?
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Rules of thumb for C++11:
Pass by value, except when
you do not need ownership of the object and a simple alias will do, in which case you pass by const reference,
you must mutate the object, in which case, use pass by a non-const lvalue re...