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WPF OpenFileDialog with the MVVM pattern? [duplicate]
... one method to get around this problem.
public interface IOService
{
string OpenFileDialog(string defaultPath);
//Other similar untestable IO operations
Stream OpenFile(string path);
}
In your application, you would provide a default implementation of this service. Here is how yo...
How to loop backwards in python? [duplicate]
...
All of these three solutions give the same results if the input is a string:
1.
def reverse(text):
result = ""
for i in range(len(text),0,-1):
result += text[i-1]
return (result)
2.
text[::-1]
3.
"".join(reversed(text))
...
How to check 'undefined' value in jQuery
...platform:
if (typeof value === "undefined") {
// ...
}
It returns a string indicating the type of the variable or other unevaluated operand. The main advantage of this method, compared to if (value === undefined) { ... }, is that typeof will never raise an exception in case if variable value ...
Escape a string for a sed replace pattern
In my bash script I have an external (received from user) string, which I should use in sed pattern.
14 Answers
...
snprintf and Visual Studio 2010
...tes at most buf_size - 1 characters to a buffer. The resulting
character string will be terminated with a null character, unless
buf_size is zero. If buf_size is zero, nothing is written and
buffer may be a null pointer. The return value is the number of
characters that would have been writt...
Get the time difference between two datetimes
...you're really keen on that specific formatting, you'll have to build a new string yourself. A cheap way would be
[diff.asHours(), diff.minutes(), diff.seconds()].join(':')
where var diff = moment.duration(now.diff(then)). This doesn't give you the zero-padding on single digit values. For that, you...
What is the purpose of using -pedantic in GCC/G++ compiler?
...f more extensions and generates more warnings. For example, if you have a string literal longer than 509 characters, then -pedantic warns about that because it exceeds the minimum limit required by the C89 standard. That is, every C89 compiler must accept strings of length 509; they are permitted ...
Where's my JSON data in my incoming Django request?
...var response = {data:[{"a":1, "b":2},{"a":2, "b":2}]}
json_response = JSON.stringify(response); // proper serialization method, read
// http://ejohn.org/blog/ecmascript-5-strict-mode-json-and-more/
$.post('url',json_response);
In this case you need to use...
C++0x has no semaphores? How to synchronize threads?
..., you normally would just use the name semaphore similar to normally using string not basic_string):
template <typename Mutex, typename CondVar>
class basic_semaphore {
public:
using native_handle_type = typename CondVar::native_handle_type;
explicit basic_semaphore(size_t count = 0)...
How to put multiple statements in one line?
...t I just want the code to continue running ... for instance, to check if a string can be an integer try: int(string) ... If it can't, then just continue to the next line, no need for an exception. I see what you're saying, but is there any other way that can accommodate for this type of checking/err...