大约有 31,840 项符合查询结果（耗时：0.0307秒） [XML]
Adding dictionaries together, Python [duplicate]
I have two dictionaries and I'd like to be able to make them one:
6 Answers
6
...
Xcode debugger doesn't print objects and shows nil, when they aren't
... when trying to print an object with po <objectName> , but only for one project.
14 Answers
...
Multiprocessing vs Threading Python [duplicate]
...o the GIL the app isn't actually doing two things at once, but what we've done is put the resource lock on the database into a separate thread so that CPU time can be switched between it and the user interaction. CPU time gets rationed out between the threads.
Multiprocessing is for times when you ...
What is the purpose of XORing a register with itself? [duplicate]
...here are bound to be zero bytes somewhere in your code, so I don't see how one more would make much difference. Anyway, who cares if you can trick a program into reading code as data. The real problem is executing data as code.
– Stephen C
Sep 8 '09 at 22:36
...
Is there a “theirs” version of “git merge -s ours”?
... only fall back to "theirs" logic in case of conflicts. While this is what one needs in most cases like above, this is not the same as "just take everything from branch B as is". It does the real merge instead anyway.
– Timur
Oct 14 '13 at 11:57
...
Getting the last element of a list
...his answer is incorrect. Getting a list when you want an element only postpones the inevitable "list index out of range" - and that's what should happen when attempting to get an element from an empty list. For Strings astr[-1:] could be a valid approach since it returns the same type as astr[-1], b...
Generics in C#, using type of a variable as parameter [duplicate]
...and pass in your type parameter as the type argument, pushing the decision one level higher up the stack?
If you could give us more information about what you're doing, that would help. Sometimes you may need to use reflection as above, but if you pick the right point to do it, you can make sure yo...
Determine if a String is an Integer in Java [duplicate]
...better.
str.matches("-?\\d+");
-? --> negative sign, could have none or one
\\d+ --> one or more digits
It is not good to use NumberFormatException here if you can use if-statement instead.
If you don't want leading zero's, you can just use the regular expression as follow:
str....
Wait for all promises to resolve
...ise of each chain into the all() instead of the initial promises:
$q.all([one.promise, two.promise, three.promise]).then(function() {
console.log("ALL INITIAL PROMISES RESOLVED");
});
var onechain = one.promise.then(success).then(success),
twochain = two.promise.then(success),
thre...
Can Protractor and Karma be used together?
...simple package I've created to add minimal Karma setup to any project with one single command npm install min-karma.
I'd like to clarify some possible misconceptions about Karma and Protractor. Karma FAQ actually does refer to Adapter for Angular's Scenario Runner, which, however, seems to be aba...