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Creating an array of objects in Java
...e this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
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Difference between string and char[] types in C++
...text's length, the array has to be scanned, character by character, for a \0 character.
A string is a class that contains a char array, but automatically manages it for you. Most string implementations have a built-in array of 16 characters (so short strings don't fragment the heap) and use the he...
return statement vs exit() in main()
...g exit over return.
http://groups.google.com/group/gnu.gcc.help/msg/8348c50030cfd15a
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You have already activated X, but your Gemfile requires Y
...way to do this.
Basically what's happening is that you've updated rake to 0.9.2 which now conflicts with the version specified in your Gemfile. Previously the latest version of rake you had matched the version in your Gemfile, so you didn't get any warning when simply using rake.
Yehuda Katz (one ...
How does BLAS get such extreme performance?
... The simplest variants is entirely written in plain C and has less than 450 lines of code. All the other variants merely optimize the loops
for (l=0; l<MR*NR; ++l) {
AB[l] = 0;
}
for (l=0; l<kc; ++l) {
for (j=0; j<NR; ++j) {
for (i=0; i<MR; ++i) ...
case-insensitive list sorting, without lowercasing the result?
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202
In Python 3.3+ there is the str.casefold method that's specifically designed for caseless match...
Benchmarking (python vs. c++ using BLAS) and (numpy)
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edited Sep 30 '11 at 18:19
answered Sep 30 '11 at 18:00
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Get characters after last / in url
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answered Sep 1 '09 at 10:43
DisgruntledGoatDisgruntledGoat
59.9k6060 gold badges185185 silver badges278278 bronze badges
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Using sed and grep/egrep to search and replace
I am using egrep -R followed by a regular expression containing about 10 unions, so like:
.jpg | .png | .gif etc. This works well, now I would like to replace all strings found with .bmp
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