大约有 47,000 项符合查询结果（耗时：0.0510秒） [XML]
Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
...
One reason is that up to now every assignment operator (i.e. an operator which changes a variable) has a = in it. If you add ++ and --, that's no longer the case.
Another reason is that the behavior of ++ and -- often confuse people. Case in point: ...
How do I use vim registers?
I only know of one instance using registers is via Ctrl R * whereby I paste text from a clipboard.
16 Answers
...
Group by multiple columns in dplyr, using string vector input
...as the expression is wrapped in a call to vars().
– knowah
Aug 15 '19 at 14:13
@Khashir yes, this answer still works @...
Azure SQL Database Bacpac Local Restore
...orrect : Installing latest version of SSDT solved the issue. All is better now.
– Antoine Meltzheim
Oct 30 '13 at 9:57
4
...
JPA: what is the proper pattern for iterating over large result sets?
...e've just migrated from JBoss 4.x to JBoss 5.1, so we've stuck with it for now, and thus the latest Hibernate we can use is 3.3.2.
Adding couple of extra parameters did the job, and code like this runs without OOMEs:
StatelessSession session = ((Session) entityManager.getDelegate()).getSes...
iOS 7 status bar back to iOS 6 default style in iPhone app?
...l to add a vertical spacing constraint to the nearest neighbor, which will now be the top layout guide. Alternatively you can use ctrl+click from your object to the top layout guide to add a vertical spacing constraint explicitly.
– BreadicalMD
Sep 27 '13 at 13...
Avoid modal dismiss on enter keypress
...n to be fired. I changed it to an anchor instead and it works as expected now (enter submits the form and does not close the modal).
<a class="close" data-dismiss="modal">&times;</a>
Without seeing your source, I can't confirm that your cause is the same though.
...
Convert an image to grayscale in HTML/CSS
...
Support for CSS filters has landed in Webkit. So we now have a cross-browser solution.
img {
filter: gray; /* IE6-9 */
-webkit-filter: grayscale(1); /* Google Chrome, Safari 6+ & Opera 15+ */
filter: grayscale(1); /* Microsoft Edge and Firefox 35+ */
}
/*...
How to disable a particular checkstyle rule for a particular line of code?
...press id="maxParameterNumber" files="YourCode.java"/>
Another method, now available in Checkstyle 5.7 is to suppress violations via the @SuppressWarnings java annotation. To do this, you will need to add two new modules (SuppressWarningsFilter and SuppressWarningsHolder) in your configuration ...
How do I check if an element is really visible with JavaScript? [duplicate]
...
I don't know how much of this is supported in older or not-so-modern browsers, but I'm using something like this (without the neeed for any libraries):
function visible(element) {
if (element.offsetWidth === 0 || element.offsetHeig...