大约有 36,010 项符合查询结果（耗时：0.1025秒） [XML]
Superscript in CSS only?
How can I get superscript done, only in CSS?
15 Answers
15
...
ASP.NET MVC Conditional validation
How to use data annotations to do a conditional validation on model?
12 Answers
12
...
Git Bash is extremely slow on Windows 7 x64
I've been using Git on both Windows and Ubuntu during the development of a small project, frequently flipping back and forth between the two. The issue is that Git Bash consistently becomes slow.
...
What is move semantics?
... I am actually excited about C++0x now, with the exception of one. I still don't get move semantics ... What is it exactly?
...
How to have favicon / icon set when bookmarklet dragged to toolbar?
...ser (a globe and a star, respectively). My site has a favicon, and the window, tab and even [site] bookmark uses the favicon I've specified. Just not my bookmarklet.
...
How to represent multiple conditions in a shell if statement?
...) ]
then echo abc
else echo efg
fi
I've enclosed the references to $g in double quotes; that's good practice, in general. Strictly, the parentheses aren't needed because the precedence of -a and -o makes it correct even without them.
Note that the -a and -o operators are part of the POSIX specif...
How to search for a part of a word with ElasticSearch
...in_gram and max_gram analyzer settings should be enough to narrow searches down to one record, and no more (a max_gram of 15 over a name is probably wasteful, since very few names share a substring that long).
– rthbound
Dec 18 '13 at 23:17
...
Create an empty data.frame
...Here's an other example with different column types :
df <- data.frame(Doubles=double(),
Ints=integer(),
Factors=factor(),
Logicals=logical(),
Characters=character(),
stringsAsFactors=FALSE)
str(df)
> str(df...
Rounding up to next power of 2
... @MappaM This answer is still highly relevant and the best portable way to do it. Your 64-bit version has undefined behaviour if x > UINT32_MAX and isn't branchless. Also, GCC and Clang use -mtune=generic by default (as do most distros), so your code will NOT expand to the lzcnt instruction on ...
How to use multiple AWS Accounts from the command line?
...LE environment variable. When the default environment variable is set, you do not need to specify the profile on each command.
Linux, OS X Example:
$ export AWS_DEFAULT_PROFILE=account1
$ aws dynamodb list-tables
Windows Example:
$ set AWS_DEFAULT_PROFILE=account1
$ aws s3 ls
...