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Cleanest way to toggle a boolean variable in Java?
... visual" way (most uncertainly)
theBoolean = theBoolean ? false : true;
Extra: Toggle and use in a method call
theMethod( theBoolean ^= true );
Since the assignment operator always returns what has been assigned, this will toggle the value via the bitwise operator, and then return the newly as...
Git mergetool generates unwanted .orig files
...ution a *.orig file is created. Is there a way for it to not create that extra file?
10 Answers
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From inside of a Docker container, how do I connect to the localhost of the machine?
...the host host.docker.internal (instead of the 127.0.0.1 in your connection string).
As of Docker 18.09.3, this does not work on Docker-for-Linux. A fix has been submitted on March the 8th, 2019 and will hopefully be merged to the code base. Until then, a workaround is to use a container as describe...
change cursor to finger pointer
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Here is something cool if you want to go the extra mile with this. in the url, you can use a link or save an image png and use the path. for example:
url('assets/imgs/theGoods.png');
below is the code:
.cursor{
cursor:url(http://www.icon100.com/up/3772/128/425-hand...
return statement vs exit() in main()
...rn statement. Given the following code:
int foo() {}
int main(int argc, char *argv[]) {}
G++ only generates a warning for foo() and ignores the missing return from main:
% g++ -Wall -c foo.cc
foo.cc: In function ‘int foo()’:
foo.cc:1: warning: control reaches end of non-void function
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Inserting multiple rows in a single SQL query? [duplicate]
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Worked at first try, thanks! I could even add extra stuff like: 'Before date: ' + date2str(GETDATE()) + ' after date.' I know it is a bit of a strange comand date2str but is special syntax in my database.
– Michael Larsson
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Overriding !important style
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What extra information or improvement does this answer provide ?
– Pogrindis
Dec 21 '16 at 14:31
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Is there an expression for an infinite generator?
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knowing the syntax of iter (here with extra sentinel) and the syntax of lambda (here without any passed parameters, just return 0), the only place to hate is that enigmatic g1.
– Sławomir Lenart
Mar 11 '19 at 17:56
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How to get the path of the batch script in Windows?
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Extra information is "d means the drive only, …" etc. Thank you, @Hayz.
– R.J. Dunnill
Aug 6 '19 at 22:00
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Passing a dictionary to a function as keyword parameters
...3]: mydict = {'a': 100, 'b': 200}
In[4]: myfunc(**mydict)
100 200
A few extra details that might be helpful to know (questions I had after reading this and went and tested):
The function can have parameters that are not included in the dictionary
You can not override a parameter that is already...