大约有 23,000 项符合查询结果（耗时：0.0343秒） [XML]
Test if a vector contains a given element
...
I will group the options based on output. Assume the following vector for all the examples.
v <- c('z', 'a','b','a','e')
For checking presence:
%in%
> 'a' %in% v
[1] TRUE
any()
> any('a'==v)
[1] TRUE
is.element()
> is.element('...
How to style readonly attribute with CSS?
...-only is the "mutability pseudo-class aiming at making form styling easier based on disabled, readonly and contenteditable HTML Attributes" As mentioned here, css-tricks.com/almanac/selectors/r/read-write-read, various implementations are quite wonky.
– peater
...
Regex to match only letters
... you choose. J, U, Ö, Ä can all be argued to be latin characters or not, based on your definition. But they are all used in languages that use the "latin alphabet" for writing.
– Joachim Sauer
Sep 1 '10 at 12:23
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How to generate serial version UID in Intellij
... modifier where possible. docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/…
– Ilya Lozinsky
May 15 '19 at 6:20
2
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Why does @foo.setter in Python not work for me?
... attention when invoking the setter from the __init__ method of your class based on this answer
Specifically:
class testDec(object):
def __init__(self, va...
Table name as variable
... of a script used to compare data between the same tables of different databases:
static query:
SELECT * FROM [DB_ONE].[dbo].[ACTY]
EXCEPT
SELECT * FROM [DB_TWO].[dbo].[ACTY]
since I want easily change tha name of table and schema I have created this dynamic query:
declare @schema varchar(50)
d...
Gradle does not find tools.jar
...able with latest JDK. See github.com/gradle/gradle/blob/master/subprojects/base-services/…
– Mohammed
Sep 23 '19 at 12:48
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How different is Scrum practice from Agile Practice? [duplicate]
... as Client requirement
Pair Programming
Test Driven Development (TDD)
Team based estimation
Refactoring
Simple Design
Evolutionary Design
Retrospective
Daily Stand up meeting
Continuous Integration of code
Client Demo etc.
For more details, you may wish to go through my blog:
http://chandrimachoud...
Entity Framework Timeouts
... from the connection string.
Entity Framework Core 1.0:
this.context.Database.SetCommandTimeout(180);
Entity Framework 6:
this.context.Database.CommandTimeout = 180;
Entity Framework 5:
((IObjectContextAdapter)this.context).ObjectContext.CommandTimeout = 180;
Entity Framework 4 and below:
...
Why is WinRT unmanaged? [closed]
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WinRT is a replacement for the age-old C-based Winapi. It is an api that must be usable in many runtime environments. Back 20 years ago, a C api was relatively easy to interop with. That has moved on since then, COM became the universal glue in the last half of t...