大约有 30,000 项符合查询结果（耗时：0.0613秒） [XML]
Regex for splitting a string using space when not surrounded by single or double quotes
I'm new to regular expressions and would appreciate your help. I'm trying to put together an expression that will split the example string using all spaces that are not surrounded by single or double quotes. My last attempt looks like this: (?!") and isn't quite working. It's splitting on the spa...
What is wrong with using goto? [duplicate]
...ds, conditionals and loops. Structured programming was a revolution at the time.
goto's are appropriate in a few places, such as for jumping out of nested loops.
share
|
improve this answer
...
NameError: global name 'xrange' is not defined in Python 3
...nge().
For the record, what you are seeing is not a syntax error but a runtime exception instead.
If you do know what your are doing and are actively making a Python 2 codebase compatible with Python 3, you can bridge the code by adding the global name to your module as an alias for range. (Take...
Passing a 2D array to a C++ function
...ack-living) arrays only i.e. the dimensionality should be known at compile time.
2. Pass by pointer
void process_2d_array_pointer(int (*array)[5][10])
{
std::cout << __func__ << std::endl;
for (size_t i = 0; i < 5; ++i)
{
std::cout << i << ": ";
...
How do you implement a class in C? [closed]
...or even defining the reference to each object as a constant before compile time. Feel free to make assumptions about which OOP concept I will need to implement (it will vary) and suggest the best method for each.
...
How to assign a Git SHA1's to a file without Git?
As I understand it when Git assigns a SHA1 hash to a file this SHA1 is unique to the file based on its contents.
12 Answer...
PHP validation/regex for URL
I've been looking for a simple regex for URLs, does anybody have one handy that works well? I didn't find one with the zend framework validation classes and have seen several implementations.
...
How can I close a Twitter Bootstrap popover with a click from anywhere (else) on the page?
...
Presuming that only one popover can be visible at any time, you can use a set of flags to mark when there's a popover visible, and only then hide them.
If you set the event listener on the document body, it will trigger when you click the element marked with 'popup-marker'. So ...
SQLite - UPSERT *not* INSERT or REPLACE
...ent TEXT,
author INTEGER NOT NULL REFERENCES user (id),
ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);
Note in particular that name is the natural key of the row – id is used only for foreign keys, so the point is for SQLite to pick the ID value itself when inserting a new row. But w...
INotifyPropertyChanged vs. DependencyProperty in ViewModel
...ht try to design UI and ViewModel totally separate so that at any point of time we can change the Layout and UI controls (Based on theme and Styles)
Refer this post also - https://stackoverflow.com/questions/275098/what-applications-could-i-study-to-understand-datamodel-view-viewmodel . The link ha...