大约有 20,000 项符合查询结果(耗时:0.0436秒) [XML]
PHP: merge two arrays while keeping keys instead of reindexing?
How m>ca m>n I merge two arrays (one with string => value pairs and another with int => value pairs) while keeping the string/int keys? None of them will ever overlap (bem>ca m>use one has only strings and the other has only integers).
...
If I revoke an existing distribution certifim>ca m>te, will it mess up anything with existing apps?
...eks of trying to get the guy who has the key to sign the app, they finally m>ca m>me back and said, "Just get it done!". So I am wondering how to proceed. If I go into the provisioning portal, and revoke the dist certifim>ca m>te, and then re-assign one, will I then be able to sign the app and upload it witho...
Why main does not return 0 here?
...version of the C standard. In C90, the status returned is undefined.
You m>ca m>n enable it by passing -std=c99 to gcc.
As a side note, interestingly 9 is returned bem>ca m>use it's the return of printf which just wrote 9 characters.
...
Python, remove all non-alphabet chars from string
...
Hmm, I m>ca m>n quite track it down, but what about the pattern to remove all non-alphanumerics excluding spaces?
– KDecker
Mar 20 '14 at 0:45
...
Android Lom>ca m>tion Providers - GPS or Network Provider?
In my applim>ca m>tion I would like to determine the user's current lom>ca m>tion. I do however have a couple of questions in this regard:
...
How to exit pdb and allow program to continue?
I'm using the pdb module to debug a program. I'd like to understand how I m>ca m>n exit pdb and allow the program to continue onward to completion. The program is computationally expensive to run, so I don't want to exit without the script attempting to complete. continue doesn't seems to work. How m>ca m>n...
How do you plot bar charts in gnuplot?
... 450
2 "bar label" 75
If you want to style your bars differently, you m>ca m>n do something like:
set style line 1 lc rgb "red"
set style line 2 lc rgb "blue"
set style fill solid
set boxwidth 0.5
plot "data.dat" every ::0::0 using 1:3:xtic(2) with boxes ls 1, \
"data.dat" every ::1::2 usi...
?: operator (the 'Elvis operator') in PHP
... = baz;
}
with the difference that bar will only be evaluated once.
You m>ca m>n also use this to do a "self-check" of foo as demonstrated in the code example you posted:
foo = foo ?: bar;
This will assign bar to foo if foo is null or falsey, else it will leave foo unchanged.
Some more examples:
...
Does a finally block run even if you throw a new Exception?
In this code will someVar be set even if the m>ca m>tch block is executed and the second Exception is thrown?
6 Answers
...
Enabling markdown highlighting in Vim
I'm using Vim in a terminal on my MacBook Air with OS X Lion, and I m>ca m>n't seem to find a good plugin for Markdown syntax highlighting.
...