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source command not found in sh shell
...hat uses sh shell. I get an error in the line that uses the source command. It seems source is not included in my sh shell.
...
What is the advantage of using forwarding references in range-based for loops?
...dvantage I can see is when the sequence iterator returns a proxy reference and you need to operate on that reference in a non-const way. For example consider:
#include <vector>
int main()
{
std::vector<bool> v(10);
for (auto& e : v)
e = true;
}
This doesn't compi...
项目管理实践【五】自动编译和发布网站【Using Visual Studio with Source ...
...和发布网站【Using Visual Studio with Source Control System to build and publish website automatically】在上一篇教程项目管理实践【三】每日构建【Daily Build Using CruiseControl NET and MSBuild】中，我们讲解了如何使用CCNET+MSBuild 在上一篇教程项目管理...
Get the current year in JavaScript
...
Create a new Date() object and call getFullYear():
new Date().getFullYear()
// returns the current year
Hijacking the accepted answer to provide some basic example context like a footer that always shows the current year:
<footer>
&...
In Eclipse, can I have multiple Console views at once, each showing a different Console?
...some applications that, in debug mode, log to the console. I'd like to run and debug them from inside of Eclipse, and view the console for each one simultaneously. However, I have a single Console tab that shows a single Console output at a time. Is there a way I can split the consoles into multiple...
Why cast unused return values to void?
... it.
This is a way to ensure that where necessary error codes are always handled.
I think for C++ this is probably the only place that I prefer to use C-style casts too, since using the full static cast notation just feels like overkill here. Finally, if you're reviewing a coding standard or writ...
How can I check in a Bash script if my local Git repository has changes?
...u're doing will almost work: you should quote $CHANGED in case it's empty, and -z tests for empty, which means no changes. What you meant was:
if [ -n "$CHANGED" ]; then
VN="$VN-mod"
fi
A quote from Git's GIT-VERSION-GEN:
git update-index -q --refresh
test -z "$(git diff-index --name-only HE...
Trying to mock datetime.date.today(), but not working
...wer for more details.
In this case, I would subclass datetime.date myself and create the right function:
import datetime
class NewDate(datetime.date):
@classmethod
def today(cls):
return cls(2010, 1, 1)
datetime.date = NewDate
And now you could do:
>>> datetime.date.tod...
How can I programmatically generate keypress events in C#?
...
The question is tagged WPF but the answers so far are specific WinForms and Win32.
To do this in WPF, simply construct a KeyEventArgs and call RaiseEvent on the target. For example, to send an Insert key KeyDown event to the currently focused element:
var key = Key.Insert; // ...
What are the “standard unambiguous date” formats for string-to-date conversion in R?
... '"%Y-%m-%d"' then '"%Y/%m/%d"' on the first non-'NA' element,
and give an error if neither works.
as.Date("01 Jan 2000") yields an error because the format isn't one of the two listed above. as.Date("01/01/2000") yields an incorrect answer because the date isn't in one of the two fo...