大约有 47,000 项符合查询结果（耗时：0.0841秒） [XML]
REST API Token-based Authentication
...n period.
– a better oliver
Nov 27 '15 at 10:49
6
User name + password is a token(!) that is exch...
Recommended way to save uploaded files in a servlet application
...s related answer to a failed JSF attempt: stackoverflow.com/questions/18478154/…
– BalusC
Sep 6 '13 at 19:04
...
How to get the contents of a webpage in a shell variable?
...
Benjamin W.
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answered Sep 18 '10 at 20:43
julianvdbjulianvdb
...
What is memory fragmentation?
...
answered Sep 22 '10 at 15:02
Steve JessopSteve Jessop
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...
How to change shape color dynamically?
...
RonnieRonnie
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9
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Creating virtual directories in IIS express
... Note: While these instructions still apply to Visual Studio 2015, the location of applicationhost.config has changed. More sensibly than previous versions, it is now located in the .vs\config sub folder of your solution folder.
– Richard Moss
Aug 2...
catch exception that is thrown in different thread
...
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edited Mar 12 '15 at 16:27
Michael
5,15833 gold badges4949 silver badges6969 bronze badges
an...
What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
...many hours it contains?
– Peter
Jan 15 '16 at 13:26
10
I'd probably convert the ticks into a time...
How to find third or nth maximum salary from salary table?
...ub-query ...
– Deepak Gupta
Mar 10 '15 at 11:51
@deepak_java the subquery is evaluated each and every time a row is pr...
Summarizing multiple columns with dplyr? [duplicate]
... 2 3.029126 3.038835 2.967638 2.873786
#> 3: 3 2.854701 2.948718 2.951567 3.062678
Let's try to compare performance.
library(dplyr)
library(purrrlyr)
library(data.table)
library(bench)
set.seed(123)
n <- 10000
df <- data.frame(
a = sample(1:5, n, replace = TRUE),
b = sample(1:5, n,...