大约有 46,000 项符合查询结果（耗时：0.0751秒） [XML]
Passing parameters in rails redirect_to
... MAY be carried out by the user agent without interaction with the user if and only if the method used in the second request is GET or HEAD." Expand on what you're really trying to accomplish and we can probably push you in the correct direction.
– jdl
Sep 16 ...
Tool for generating railroad diagram used on json.org [closed]
...first railroad diagram you show, you would use the code:
object ::= '{' ((string ':' value ) ( ',' string ':' value )*)? '}'
Then you could go on to define string and value using string ::= ... and value ::= ... The references are all shown.
Check out some of the example diagrams on the page. ...
Removing leading zeroes from a field in a SQL statement
...
select substring(ColumnName, patindex('%[^0]%',ColumnName), 10)
share
|
improve this answer
|
follow
...
iOS app error - Can't add self as subview
...r pop) a view controller with Animated:YES it doesn't complete right away, and bad things happen if you do another push or pop before the animation completes. You can easily test whether this is indeed the case by temporarily changing your Push and Pop operations to Animated:NO (so that they complet...
Add a column to a table, if it does not already exist
... sys.columns
WHERE object_id = OBJECT_ID(N'[dbo].[Person]')
AND name = 'ColumnName'
)
share
|
improve this answer
|
follow
|
...
How to delete a whole folder and content?
...xternalStorageDirectory()+"Dir_name_here");
if (dir.isDirectory())
{
String[] children = dir.list();
for (int i = 0; i < children.length; i++)
{
new File(dir, children[i]).delete();
}
}
share
...
Getting output of system() calls in Ruby
...tem() at all. The backticks execute the command and return the output as a string. You can then assign the value to a variable like so:
output = `ls`
p output
or
printf output # escapes newline chars
share
|
...
JavaScript Regular Expression Email Validation [duplicate]
This code is always alerting out "null" , which means that the string does not match the expression.
17 Answers
...
Necessary to add link tag for favicon.ico?
...like PNG check out this question.
For cache busting purposes:
Add a query string to the path for cache-busting purposes:
<link rel="icon" href="/favicon.ico?v=1.1">
Favicons are very heavily cached and this a great way to ensure a refresh.
Footnote about default location:
As far as th...
Does Java 8 provide a good way to repeat a value or function?
...
To get and equivalent to Haskell's
take 8 (repeat 1)
You could write
StringBuilder s = new StringBuilder();
repeat.accept(8, () -> s.append("1"));
share
|
improve this answer
|
...