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How dangerous is it to compare floating point values?
...hics needs.
So if you want to test if your point is outside a [0..width[ range this is just fine. Just make sure you define inclusion consistently. For example always define inside is (x>=0 && x < width). The same goes for intersection or hit tests.
However, if you are abusing a gr...
How do I choose grid and block dimensions for CUDA kernels?
...vel, you should mostly be aware that the block size you choose (within the range of legal block sizes defined by the constraints above) can and does have a impact on how fast your code will run, but it depends on the hardware you have and the code you are running. By benchmarking, you will probably ...
Java 8 Streams: multiple filters vs. complex condition
...rgs) {
int size = 10000000;
List<User> users =
IntStream.range(0,size)
.mapToObj(i -> i % 2 == 0 ? new User(Gender.MALE, i % 100) : new User(Gender.FEMALE, i % 100))
.collect(Collectors.toCollection(()->new ArrayList<>(size)));
repeat("one fi...
STL or Qt containers?
...on't), so reverse iteration is needlessly complicated.
STL containers have range-insert() from different, but compatible, iterator types, making std::copy() much less often needed.
STL containers have an Allocator template argument, making custom memory management trivial (typedef required), compare...
What's the regular expression that matches a square bracket?
...ackets at the same time, you can use the following pattern which defines a range of either the [ sign or the ] sign: /[\[\]]/
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What is the difference between the operating system and the kernel? [closed]
...,
Kernel is responsible for Hardware level interactions at some specific range.But the OS is like hardware level interaction with full scope of computer.
Kernel triggers SystemCalls to intimate os that this resource is available at this point of time.OS is responsible to handle that system calls i...
Colon (:) in Python list index [duplicate]
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a[len(a):] - This gets you the length of a to the end. It selects a range. If you reverse a[:len(a)] it will get you the beginning to whatever is len(a).
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Commit specific lines of a file to git [duplicate]
How do I commit a few specific line ranges from a file to git? while ignoring some other line changes in the same file.
2 A...
Generating matplotlib graphs without a running X server [duplicate]
...lotlib.pyplot as plt
fig = plt.figure()
ax = fig.add_subplot(111)
ax.plot(range(10))
fig.savefig('temp.png')
You don't have to use the Agg backend, as well. The pdf, ps, svg, agg, cairo, and gdk backends can all be used without an X-server. However, only the Agg backend will be built by default...
Shortcut to Apply a Formula to an Entire Column in Excel [closed]
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Select a range of cells (the entire column in this case), type in your formula, and hold down Ctrl while you press Enter. This places the formula in all selected cells.
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