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How to show a confirm message before delete?
...se thanks to the event.preventDefault() function. You can replace the hash char with a url, it won't be triggered. But, if JavaScript is disabled the link will work as expected.
– DevAntoine
May 13 '16 at 8:18
...
Remove the last line from a file in Bash
...ith the extension provided as a parameter. Since the parameter is an empty string, no backup file is created. -e tells sed to execute a command. The command $ d means: find the last line ($) and delete it (d).
– Krzysztof Szafranek
Mar 3 '19 at 14:05
...
How to disable margin-collapsing?
...) entail using a 1px border or 1px padding. I find this unacceptable: the extraneous pixel complicates calculations for no good reason. Is there a more reasonable way to disable this margin-collapsing?
...
svn: replace trunk with branch
...ations/reorganizations using svndumpfilter. There are times when a little extra work now can save a lot of extra work later, and by keeping an easy use of svndumpfilter available for future migrations/reorganizations mitigates the risk at a relatively low cost.
...
Handling the window closing event with WPF / MVVM Light Toolkit
...cept complexity by using a more elaborate pattern with more indirection (5 extra lines of XAML plus Command pattern).
The "zero code-behind" mantra is not the goal in itself, the point is to decouple ViewModel from the View. Even when the event is bound in code-behind of the View, the ViewModel do...
How to increase the vertical split window size in Vim
...viewport vertically. :30vs splits the viewport, making the new window 30 characters wide. Once this 30 char window is created, how would one change it's size to 31 or 29?
...
Using Build Flavors - Structuring source folders and build.gradle correctly
... applicationId "zuul.com.android.devel"
buildConfigField 'String', 'HOST', '"http://192.168.1.34:3000"'
}
prod {
applicationId "zuul.com.android"
buildConfigField 'String', 'HOST', '"http://api.zuul.com"'
}
}
}
As an exampl...
Designing function f(f(n)) == -n
...oof of why such a function can't exist, for all numbers, if it doesn't use extra information(except 32bits of int):
We must have f(0) = 0. (Proof: Suppose f(0) = x. Then f(x) = f(f(0)) = -0 = 0. Now, -x = f(f(x)) = f(0) = x, which means that x = 0.)
Further, for any x and y, suppose f(x) = y. We w...
What does the question mark in Java generics' type parameter mean?
...tract subclasses, but also sub-interfaces: List<? extends Collection<String>> list = new ArrayList<List<String>>();.
– Mark Peters
Jun 10 '10 at 15:08
...
What's the difference between Task.Start/Wait and Async/Await?
...he calling thread will not block and continue executing.
static void Main(string[] args)
{
WriteOutput("Program Begin");
// DoAsTask();
DoAsAsync();
WriteOutput("Program End");
Console.ReadLine();
}
static void DoAsTask()
{
WriteOutput("1 - Starting");
var t = Task.Fact...