大约有 16,000 项符合查询结果（耗时：0.0242秒） [XML]
Why use non-member begin and end functions in C++11?
...sn't a use for it. Pointers are pointers, arrays are arrays. Arrays can be converted to a pointer to their first element implicitly, but the is still just a regular old pointer, with no distinction with others. Of course you can't get the "end" of a pointer, case closed.
– GMan...
Why is String.chars() a stream of ints in Java 8?
... it rarely used at all. However it would be good to have a built-in way to convert back IntStream to the String. It can be done with .reduce(StringBuilder::new, (sb, c) -> sb.append((char)c), StringBuilder::append).toString(), but it's really long.
– Tagir Valeev
...
Get column index from column name in python pandas
...
Or when using libraries which want the DF converted to a numpy array and indices of columns with particular features. For example CatBoost wants a list of indices of categorical features.
– Tom Walker
Oct 13 '17 at 5:35
...
Break when a value changes using the Visual Studio debugger
...
You can also temporarily convert a field to a property and put a breakpoint on the getter or setter.
– Jon Davis
Nov 5 '14 at 23:14
...
NSUserDefaults - How to tell if a key exists
...ject, I set it as an object, as I could then test to see if it was nil:
//converting BOOL to an object so we can check on nil
[defaults setObject:@(_talkative) forKey:@"talkative"];
Then when I went to see if it existed, I used:
if ([defaults objectForKey:@"talkative"]!=nil )
{
Then I used t...
What is the C# equivalent of NaN or IsNumeric?
... @Gishu: You are right if all you care about is whether the number can convert.
– NotMe
Jan 16 '09 at 15:25
2
...
How to store date/time and timestamps in UTC time zone with JPA and Hibernate
...C timezone (so that Hibernate will store dates in UTC), and you'll need to convert to whatever timezone desired when you display stuff (at least we do it this way).
At startup, we do:
TimeZone.setDefault(TimeZone.getTimeZone("Etc/UTC"));
And set the desired timezone to the DateFormat:
fmt.setTi...
In Python, how do I index a list with another list?
...
It works better if you need to convert it for array operations anyways. Too time-consuming for regular list operations.
– frankliuao
Jan 3 '19 at 19:25
...
WPF TemplateBinding vs RelativeSource TemplatedParent
...
One more thing - TemplateBindings don't allow value converting. They don't allow you to pass a Converter and don't automatically convert int to string for example (which is normal for a Binding).
share...
Returning a C string from a function
...p your compiler warnings. It should have warned you about that return line converting a char * to char without an explicit cast.
share
|
improve this answer
|
follow
...