大约有 32,000 项符合查询结果（耗时：0.0406秒） [XML]
How to change a git submodule to point to a subfolder?
... the SubModule tutorial , I created a submodule out of the boto project . Then, I discovered that I actually need only a subset of this project - specifically, the boto folder.
...
Difference between /res and /assets directories
...
res stands for resources, then what does assets stands for ??
– Vivek Warde
Jun 13 '14 at 5:34
40
...
How to prevent ifelse() from turning Date objects into numeric objects
...be coerced from logical to accommodate first any values taken from yes and then any values taken from no.
Boiled down to its implications, ifelse makes factors lose their levels and Dates lose their class and only their mode ("numeric") is restored. Try this instead:
dates[dates == '2011-01-01'] ...
Subclassing a Java Builder class
...inue down as many levels as required. If you declare a non-generic builder then you cannot extend the pattern.
– Boris the Spider
Mar 13 '16 at 7:16
|
...
UITableView didSelectRowAtIndexPath: not being called on first tap
...alled. All the other rows work fine. But if I turn the tableview bounce on then it seems to solve the problem (but then you have to deal with a tableview bounce).
share
|
improve this answer
...
How do I measure execution time of a command on the Windows command line?
...database. If
keyname is followed by a comma and a number then it will
remove the slowest (positive number) or fastest (negative)
times for that keyname.
-a specifies that timeit should display average of all timings
f...
How can bcrypt have built-in salts?
...gle field, yet be able to split them apart later.
When someone tries to authenticate, retrieve the stored cost and salt. Derive a key from the input password, cost and salt. Encrypt the same well-known string. If the generated cipher text matches the stored cipher text, the password is a match.
Bc...
_DEBUG vs NDEBUG
...s in Visual Studio
https://msdn.microsoft.com/en-us/library/b0084kay.aspx
then it will be seen, that this macro is automatically defined by your сhoice of language runtime library version.
share
|
...
When to choose checked and unchecked exceptions
...tion is predictable, unpreventable and reasonable for them to recover from then you should throw a checked exception yourself. If not, you should wrap the exception in an unchecked exception. If you follow this rule you will find yourself converting checked exceptions to unchecked exceptions and vic...
tooltips for Button
...he mouse is. So if the target element is on the bottom right of the screen then the tooltip scrambles over the mouse pointer. More generally: the position of the tip isn't smart sometimes... but I guess that's just the browsers then.
– gideon
Jul 21 '17 at 6:21...