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How do I close a single buffer (out of many) in Vim?
...s really convenient is that I don't have to: if I hit the Tab key a second time, Vim automatically completes my command with the first match:
:bd doc1.txt
If I want to get rid of this particular buffer I just need to hit Enter.
And if the buffer I want to delete happens to be the second (third.....
How to tell if browser/tab is active [duplicate]
... is not optimal because focus and blur events can often fire more than one time in the browser for each conceptual Focus or Blur action taken by the user, in which case the client will start doing hard_work on more than one interval, basically simultaneously.
– Jon z
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How do I find the length of an array?
...l studio has _countof which does this). The constexpr makes this a compile time expression so it doesn't have any drawbacks over the macro (at least none I know of).
You can also consider using std::array from C++11 which exposes its length with no overhead over a native C array.
C++17 has std::si...
Bash/sh - difference between && and ;
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I'm using && because a long time ago at the nearby computer:
root# pwd
/
root# cd /tnp/test; rm -rf *
cd: /tnp/test: No such file or directory
...
... and after a while ...
...
^C
but not helped... ;)
cd /tnp/test && rm -rf * is safe... ;...
How can I get enum possible values in a MySQL database?
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Brilliant solution, saves time ;)
– John
Mar 24 '19 at 2:03
add a comment
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Can I replace groups in Java regex?
..."aaa123ccc", 1, "%"));
// replace with "!!!" what was matched the 4th time by the group 2
// input: a1b2c3d4e5
// output: a1b2c3d!!!e5
System.out.println(replaceGroup("([a-z])(\\d)", "a1b2c3d4e5", 2, 4, "!!!"));
}
Check online demo here.
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Flatten an irregular list of lists
... there.
The yield from operator returns an item from a generator one at a time. This syntax for delegating to a subgenerator was added in 3.3
def flatten(l):
for el in l:
if isinstance(el, collections.Iterable) and not isinstance(el, (str, bytes)):
yield from flatten(el)
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NuGet behind a proxy
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Incidentally, this also fixed my issue with NuGet only working the first time I hit the package source in Visual Studio.
Note that some people who have tried this approach have reported through the comments that they have been able to omit setting the http_proxy.password key from the command l...
Seeing the console's output in Visual Studio 2010?
...gram with some outputs ( Console.WriteLine("..."); ). The problem is, each time I run it, I cannot see the program's output in the output window.
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Image, saved to sdcard, doesn't appear in Android's Gallery app
...ank you for your answer. Actually, I've already finished this project long time ago... I don't even remember what was the solution that I've used. Other users might find your solution helpful if you'd also provide the implementation of MyMediaConnectorClient...
– Michael Kessle...