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Git pre-push hooks
I would like to run a unit-tests before every git push and if tests fails, cancel the push, but I can't even find pre-push hook, there is pre-commit and pre-rebase only.
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Convert Go map to json
...i := 0; i < 10; i++ {
datas[fmt.Sprint(i)] = Foo{Number: 1, Title: "test"}
}
j, err := json.Marshal(datas)
fmt.Println(string(j), err)
2 Simply just use a slice (javascript array):
datas2 := make([]Foo, N)
for i := 0; i < 10; i++ {
datas2[i] = Foo{Number: 1, Title: "test"}
}
j, err ...
Do the parentheses after the type name make a difference with new?
If 'Test' is an ordinary class, is there any difference between:
6 Answers
6
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Globally catch exceptions in a WPF application?
...l.cs :
public partial class App : Application
{
private static Logger _logger = LogManager.GetCurrentClassLogger();
protected override void OnStartup(StartupEventArgs e)
{
base.OnStartup(e);
SetupExceptionHandling();
}
private void SetupExceptionHandling()
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What is the point of function pointers?
...ss functor {
public:
functor(const std::string& prompt) : prompt_(prompt) {}
void operator()(int i) {std::cout << prompt_ << i << '\n';}
private:
std::string prompt_;
};
functor f("the answer is: ");
f(42);
Another advantage is that it is sometimes easier ...
Running multiple commands with xargs
...gs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
...or, without a Useless Use Of cat:
<a.txt xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
To explain some of the finer points:
The use of "$arg" instead of % (and the absence of...
How to find Unused Amazon EC2 Security groups
...ll being used you should reverse or remove the if len(sg.instances()) == 0 test and print the len(sg.instances()) value out.
E.g.
print ("{0}\t{1}\t{2} instances".format(sg.id, sg.name, len(sg.instances())))
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...
Escape a string for a sed replace pattern
...es, forward slash for end of statement and & for replace all):
ESCAPED_REPLACE=$(printf '%s\n' "$REPLACE" | sed -e 's/[\/&]/\\&/g')
# Now you can use ESCAPED_REPLACE in the original sed statement
sed "s/KEYWORD/$ESCAPED_REPLACE/g"
If you ever need to escape the KEYWORD string, the fol...
How to develop and test an app that sends emails (without filling someone's mailbox with test data)?
...an be quickly viewed, saved and the source/structure inspected. Useful for testing/debugging software that generates email.
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Testing web application on Mac/Safari when I don't own a Mac
... viewed using Safari on the Mac (by a potential customer), I need to start testing how my sites look when viewed on a Mac.
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