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Add a new element to an array without specifying the index in Bash
...mb Guy points out, it's important to note whether the array starts at zero and is sequential. Since you can make assignments to and unset non-contiguous indices ${#array[@]} is not always the next item at the end of the array.
$ array=(a b c d e f g h)
$ array[42]="i"
$ unset array[2]
$ unset array...
Rebasing and what does one mean by rebasing pushed commits
...sing". A quote from that section:
When you rebase stuff, you’re
abandoning existing commits and
creating new ones that are similar but
different. If you push commits
somewhere and others pull them down
and base work on them, and then you
rewrite those commits with git rebase
and...
Reference assignment operator in PHP, =&
What does the =& (equals-ampersand) assignment operator do in PHP?
4 Answers
4
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Replace values in list using Python [duplicate]
...ns ± 13.6 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)
And Python 2.7.6 timings:
In [1]: %%timeit
...: items = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
...: for index, item in enumerate(items):
...: if not (item % 2):
...: items[index] = None
...:
1000000 l...
Visual Studio 2010 annoyingly opens documents in wrong MDI pane
...
Did you perhaps use the "New Horizontal Tab Group" command to split #1 into #1 and #2, then move your errors window into that?
I would just try resetting the window layout and see if that fixes it.
First, Window -> Close All Documents
Then, Window -> Reset Window Layout
...
What is NODE_ENV and how to use it in Express?
...ode application is run, it can check the value of the environment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environment. A common use-case is running additional debuggi...
React.js: Wrapping one component into another
...fter
</div>
);
}
});
See Multiple Components: Children and Type of the Children props in the docs for more info.
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anchor jumping by using javascript
...
You can get the coordinate of the target element and set the scroll position to it. But this is so complicated.
Here is a lazier way to do that:
function jump(h){
var url = location.href; //Save down the URL without hash.
location.href = "#"+h; ...
What is the default location for MSBuild logs?
... location of the log file? I have searched in the folder where my solution and projects are stored, but cannot find any .log file.
...
Why is whitespace sometimes needed around metacharacters?
A few months ago I tattooed a fork bomb on my arm, and I skipped the whitespaces, because I think it looks nicer without them. But to my dismay, sometimes (not always) when I run it in a shell it doesn't start a fork bomb, but it just gives a syntax error.
...