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How to retrieve a user environment variable in CMake (Windows)
...--unset=NAME]... [NAME=VALUE]... COMMAND [ARG]...
Run command in a modified environment.
Just be aware that this may only work the first time. If CMake re-configures with one of the consecutive builds (you just call e.g. make, one CMakeLists.txt was changed and CMake runs through the genera...
Truncate a list to a given number of elements
...}
}
You should bear in mind that subList returns a view of the items, so if you want the rest of the list to be eligible for garbage collection, you should copy the items you want to a new List:
List<String> subItems = new ArrayList<String>(items.subList(0, 2));
If the list is short...
jQuery: fire click() before blur() event
... $(document).on('blur', "#myinput", hideResult); //rebind the handler if needed
});
function hideResult() {
$("#myresults").hide();
}
FIDDLE
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Safe integer parsing in Ruby
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This might work:
i.to_i if i.match(/^\d+$/)
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Is HttpClient safe to use concurrently?
...can find of usages of HttpClient , it is used for one off calls. But what if I have a persistent client situation, where several requests can be made concurrently? Basically, is it safe to call client.PostAsync on 2 threads at once against the same instance of HttpClient .
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How do I see a C/C++ source file after preprocessing in Visual Studio?
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cl.exe, the command line interface to Microsoft Visual C++, has three different options for outputting the preprocessed file (hence the inconsistency in the previous responses about Visual C++):
/E: preprocess to stdout (similar to GCC's -E option)
/P: preprocess to file
/EP: preprocess to std...
C# - Keyword usage virtual+override vs. new
What are differences between declaring a method in a base type " virtual " and then overriding it in a child type using the " override " keyword as opposed to simply using the " new " keyword when declaring the matching method in the child type?
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Android webview & localStorage
... me that local
storage is'nt supported by my browser (ie. the webview ). If you have any suggestion..
6 Answers
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RSpec: how to test if a method was called?
...t.
expect(invitation).to have_received(:deliver).with("foo@example.com")
If you don't use rubocop-rspec or using non-default option. You may, of course, use RSpec 3 default with expect.
dbl = double("Some Collaborator")
expect(dbl).to receive(:foo).with("foo@example.com")
Official Documentatio...
C: Run a System Command and Get Output? [duplicate]
... /* Open the command for reading. */
fp = popen("/bin/ls /etc/", "r");
if (fp == NULL) {
printf("Failed to run command\n" );
exit(1);
}
/* Read the output a line at a time - output it. */
while (fgets(path, sizeof(path), fp) != NULL) {
printf("%s", path);
}
/* close */
...