大约有 25,400 项符合查询结果（耗时：0.0421秒） [XML]
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网 - 专注C++内核技术
...ed to see how the script control (msscript.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them feel, it's visual basic! In this article, I would like to remove those frontiers and give some new reasons for C++ developers to u...
How to retry after exception?
... starting with for i in range(0, 100) . Normally it runs correctly, but sometimes it fails due to network conditions. Currently I have it set so that on failure, it will continue in the except clause (continue on to the next number for i ).
...
Make: how to continue after a command fails?
...
Try the -i flag (or --ignore-errors). The documentation seems to suggest a more robust way to achieve this, by the way:
To ignore errors in a command line, write a - at the beginning of the line's text (after the initial tab). The - is discarded before the command is...
php is null or empty?
...
Oups my mistake, but your last sentence led me think NULL, false, 0 and "" were strictly equal which is wrong, sorry for the misunderstanding.
– Thomas LAURENT
Aug 25 '16 at 21:06
...
Does return stop a loop?
...ops execution and exits the function. return always** exits its function immediately, with no further execution if it's inside a for loop.
It is easily verified for yourself:
function returnMe() {
for (var i = 0; i < 2; i++) {
if (i === 1) return i;
}
}
console.log(returnMe());
...
jQuery disable a link
...f you want to preventDefault() only if a certain condition is fulfilled (something is hidden for instance), you could test the visibility of your ul with the class expanded. If it is visible (i.e. not hidden) the link should fire as normal, as the if statement will not be entered, and thus the defau...
Convert string date to timestamp in Python
How to convert a string in the format "%d/%m/%Y" to timestamp?
14 Answers
14
...
Extracting bits with a single multiplication
...adjacent to each other in the original, AND you want to keep them in the same order, then you can still do it. And for the purpose of the (N-1) rule they count as two bits.
There is another insight - inspired by the answer of @Ternary below (see my comment there). For each interesting bit, you onl...
What's the scope of a variable initialized in an if statement?
...coping question. The following code in a Python file (module) is confusing me slightly:
8 Answers
...
Scala how can I count the number of occurrences in a list
I want to implement it like this: list.count(2) (returns 3).
16 Answers
16
...