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No startswith,endswith functions in Go?
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The strings package contains HasPrefix and HasSuffix.
import "strings"
startsWith := strings.HasPrefix("prefix", "pre") // true
endsWith := strings.HasSuffix("suffix", "fix") // true
play.golang.org
shar...
How to convert a String to its equivalent LINQ Expression Tree?
This is a simplified version of the original problem.
7 Answers
7
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What does `node --harmony` do?
...as this on the harmony flag:
--harmony_typeof (enable harmony semantics for typeof)
type: bool default: false
--harmony_scoping (enable harmony block scoping)
type: bool default: false
--harmony_modules (enable harmony modules (implies block scoping))
type: bool d...
When should I use C++ private inheritance?
...nto mainstream C++ development. However, I still haven't found a good use for it.
14 Answers
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Matplotlib (pyplot) savefig outputs blank image
...st the values I pass to plt.subplot(); maybe try values 131, 132, and 133, or values that depend whether or not T0 exists.
Second, after plt.show() is called, a new figure is created. To deal with this, you can
Call plt.savefig('tessstttyyy.png', dpi=100) before you call plt.show()
Save the figur...
How to obtain the last path segment of a URI
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is that what you are looking for:
URI uri = new URI("http://example.com/foo/bar/42?param=true");
String path = uri.getPath();
String idStr = path.substring(path.lastIndexOf('/') + 1);
int id = Integer.parseInt(idStr);
alternatively
URI uri = new URI("...
How to set default value for form field in Symfony2?
Is there an easy way to set a default value for text form field?
22 Answers
22
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What is the purpose of the “final” keyword in C++11 for functions?
What is the purpose of the final keyword in C++11 for functions? I understand it prevents function overriding by derived classes, but if this is the case, then isn't it enough to declare as non-virtual your final functions? Is there another thing I'm missing here?
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How can I list all commits that changed a specific file?
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The --follow works for a particular file
git log --follow -- filename
Difference to other solutions given
Note that other solutions include git log path (without the --follow). That approach is handy if you want to track e.g. changes i...
delete map[key] in go?
...sions = map[string] chan int{};
delete(sessions, "moo");
}
seems to work. This seems a poor use of resources though!
Another way is to check for existence and use the value itself:
package main
func main () {
var sessions = map[string] chan int{};
sessions["moo"] = make (chan int);
...