大约有 3,516 项符合查询结果（耗时：0.0169秒） [XML]
How can I convert bigint (UNIX timestamp) to datetime in SQL Server?
...n int type. The documentation says "The number argument cannot exceed the range of int." docs.microsoft.com/en-us/sql/t-sql/functions/… en.wikipedia.org/wiki/Year_2038_problem
– Patrick H
Mar 28 '18 at 21:26
...
Return first N key:value pairs from dict
..., 'b':2, 'c':3, 'd':4, 'e':5, 'f':6}
iterator = iter(foo.items())
for i in range(3):
print(next(iterator))
Basically, turn the view (dict_items) into an iterator, and then iterate it with next().
share
|
...
Recommended Fonts for Programming? [closed]
... I also like this one more than Consolas. Additionally, it has a wide range of rarer characters like arrows that are nice when using things like font-lock-symbol-mode for Haskell. Being able to use the same typeface for Cyrillic as well is also really nice.
– Tikhon Jelvis...
NSString tokenize in Objective-C
...r, NSString has methods enumerateLinesUsingBlock: and enumerateSubstringsInRange:options:usingBlock:, the latter of which is a block-based version of CFStringTokenizer. developer.apple.com/mac/library/documentation/Cocoa/Reference/…: developer.apple.com/mac/library/documentation/Cocoa/Reference/...
Making an array of integers in iOS
...ry collection of integer values because index sets store indexes as sorted ranges. This makes them more efficient than storing a collection of individual integers. It also means that each index value can only appear once in the index set.
– Rudolf Adamkovič
Ma...
Generate a random alphanumeric string in Cocoa
...tring for security purposes. Unique != Random. The length is constant, the range of characters used is limited (0-9, A-F, - = 17, vs 62 for a-Z. 0-9). This string is unique but predictable.
– amcc
Jul 2 '15 at 11:16
...
Let JSON object accept bytes or let urlopen output strings
... 'ascii' codec can't encode characters in position 264-265: ordinal not in range(128)
– andilabs
Mar 6 '18 at 13:04
add a comment
|
...
Good Java graph algorithm library? [closed]
...
JGraph does have an analysis package now that includes a range of analysis functions, jgraph.github.com/mxgraph/java/docs/index.html.
– Thomas the Tank Engine
Mar 25 '13 at 20:56
...
Counting null and non-null values in a single query
...ook, but either the column is indexed or not. If it is, it happens via a range scan, otherwise, you are pretty much left with a full table scan. In oracle, NULLs are not stored in the index, so I suspect you example isn't much better. Your milage may very.
– EvilTeach
...
Iteration ng-repeat only X times in AngularJs
...
@SamHuckaby the issue is iterating over a range.limitTo is useless in that case. It's not about iterating over a set of values that mean something on their own,it's iterating 4 times for instance.not 4 times over a slice of an existing array,just 4 times. just like ...