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How is std::function implemented?
...
Regarding the issue of how copies of the std::function behave, a quick test indicates that copies of the internal callable object are done, rather than sharing the state.
// g++4.8
int main() {
int value = 5;
typedef std::function<void()> fun;
fun f1 = [=]() mutable { std::cout &...
Need to reset git branch to origin version
...ch
git reset --hard origin/mybranch
(Make sure that you reference your latest commit in a separate branch, like you mention in your question)
Note that just after the reset, mybranch@{1} refers to the old commit, before reset.
But if you had already pushed, see "Create git branch, and revert ori...
Explain which gitignore rule is ignoring my file
...shed series of commits which apply to today's upstream master branch. The test suite is 99% complete, but I haven't finished handling of the --stdin option yet. Hopefully I'll manage that this weekend, and then submit my patches to the git mailing list.
In the meantime, I'd definitely welcome tes...
Maven Run Project
...execute the main method of a Java class? I have a project that I'd like to test manually by simply doing something like "mvn run".
...
Syntax for if/else condition in SCSS mixin
...d default the parameter to null or false.
This way, it would be shorter to test if a value has been passed as parameter.
@mixin clearfix($width: null) {
@if not ($width) {
// if width is not passed, or empty do this
} @else {
display: inline-block;
width: $width;
}
}
...
getApplicationContext(), getBaseContext(), getApplication(), getParent()
... not be the application instance (which you obviously experienced with the test framework).
getParent() returns object of the activity if the current view is a child..In other words returns the activity object hosting the child view when called within the child.
...
How to print the values of slices
... that:
package main
import (
"fmt"
"strings"
)
func main() {
test := []string{"one", "two", "three"} // The slice of data
semiformat := fmt.Sprintf("%q\n", test) // Turn the slice into a string that looks like ["one" "two" "three"]
tokens := strings.Split(semiformat, " ...
builtins.TypeError: must be str, not bytes
...t_file = open('/tmp/out_newgalax.png', 'wb')
out_file.write(decode_b64)
# Test in python 3.5.2
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How to detect if my shell script is running through a pipe?
... not a bash extension). pubs.opengroup.org/onlinepubs/009695399/utilities/test.html
– FireFly
May 14 '13 at 14:12
Wor...
How to check if a variable is a dictionary in Python?
... your code when there are more flexible, idiomatic expressions.
is is a test for object identity. It does not support inheritance, it does not support any abstraction, and it does not support the interface.
So I will provide several options that do.
Supporting inheritance:
This is the first re...