大约有 36,010 项符合查询结果（耗时：0.0611秒） [XML]
how to check if a form is valid programmatically using jQuery Validation Plugin
...
Thank you, I was already doing something like: $j("#myform label.error").each( function(i,e) { if($j(e).css('display') != 'none') { existErrors = true ; } }); :S Thank...
Is there a difference between `continue` and `pass` in a for loop in python?
...
Yes, they do completely different things. pass simply does nothing, while continue goes on with the next loop iteration. In your example, the difference would become apparent if you added another statement after the if: After execut...
Factors in R: more than an annoyance?
...fferent: see this email or ?"[.data.frame". Using drop=TRUE on data.frames does not work as you'd imagine:
x <- subset(iris, Species == 'setosa', drop=TRUE) # susbetting with [ behaves the same way
x$Species
# [1] setosa setosa setosa setosa setosa setosa setosa setosa setosa setosa
# [11] set...
Tips for a successful AppStore submission? [closed]
...
First, don't worry about the missing author/title information (and icon) in iTunes. That's meta data which arrives when you distribute using the App Store.
Your bundle identifier, as sascha says, should be unique and is usually you...
How do I check if a string is a number (float)?
...d be faster than the above. It calls the function and returns. Try/Catch doesn't introduce much overhead because the most common exception is caught without an extensive search of stack frames.
The issue is that any numeric conversion function has two kinds of results
A number, if the number is...
Alter a MySQL column to be AUTO_INCREMENT
...
ALTER TABLE document MODIFY COLUMN document_id INT auto_increment
share
|
improve this answer
|
follow
...
How to redirect to a different domain using NGINX?
How can I redirect mydomain.com and any subdomain *.mydomain.com to www.adifferentdomain.com using NGINX?
7 Answers
...
Github “Updates were rejected because the remote contains work that you do not have locally.”
...nswered Aug 20 '13 at 7:02
palerdotpalerdot
5,67322 gold badges3535 silver badges4141 bronze badges
...
Equivalent VB keyword for 'break'
... use:
Exit For to break from For loop
Wend to break from While loop
Exit Do to break from Do loop
depending on the loop type. See Exit Statements for more details.
share
|
improve this answer
...
How do I enable/disable log levels in Android?
...
The Android Documentation says the following about Log Levels:
Verbose should never be compiled into an application except during development. Debug logs are compiled in but stripped at runtime. Error, warning and info logs are alway...