大约有 30,000 项符合查询结果（耗时：0.0526秒） [XML]
What is the proper way to re-attach detached objects in Hibernate?
...et based on the delta between the initial load and the value(s) at flush() time. Detached objects need, and don't currently have this functionality. The way for hibernate to do it is to add an additional hash/id for detached objects. And keep a snapshot of the last state of the detached object av...
Curious null-coalescing operator custom implicit conversion behaviour
...ecked that temp is not null; there's no need to check it for null a second time just because we are calling a lifted conversion operator". We'd them optimize it away to just
new int?(op_Implicit(temp2.Value))
My guess is that we are somewhere caching the fact that the optimized form of (int?)Fo...
How to force the browser to reload cached CSS/JS files?
...e if there are exactly 10 digits at the end. (Because 10 digits covers all timestamps from 9/9/2001 to 11/20/2286.)
First, we use the following rewrite rule in .htaccess:
RewriteEngine on
RewriteRule ^(.*)\.[\d]{10}\.(css|js)$ $1.$2 [L]
Now, we write the following PHP function:
/**
* Given a ...
SQLAlchemy: What's the difference between flush() and commit()?
...automatically flush before all queries, so you don't have to remember each time.
– Kiran Jonnalagadda
Nov 17 '15 at 19:39
|
show 2 more comm...
Notepad++ Multi editing
...
I've been searching for this feature for a long time, thanks!
– michal.hubczyk
Jul 21 at 8:34
add a comment
|
...
Cluster analysis in R: determine the optimal number of clusters
...
For the last dendogram (Cluster Dendogram with AU/BP) sometimes it's convenient to draw rectangles around the groups with relatively high p-values: pvrect(fit, alpha=0.95)
– Igor Elbert
Nov 15 '13 at 18:20
...
HAProxy redirecting http to https (ssl)
...r look for the http version from the start (avoiding future redirects) - a time saver for https sites. It also helps with SEO, but not dividing the juice of your links.
share
|
improve this answer
...
How to update Ruby to 1.9.x on Mac?
...nt && rvm use current
( installs the current stable release - at time of writing ruby-2.3.1 - please update this wiki when new versions released )
Note on Compiling Ruby: In my case I also had to install Homebrew http://mxcl.github.com/homebrew/ to get the gems I needed (RSpec) which in t...
Is it possible to Pivot data using LINQ?
... following approach. Instead of iterating through the customers group each time for each month.
var query = myList
.GroupBy(c => c.CustId)
.Select(g => {
var results = new CustomerStatistics();
foreach (var customer in g)
{
switch (customer.OrderDat...
Bootstrap Alert Auto Close
...
It's not working second time you clicked the button. Because of alert('close') If you use slideUp() it's working @ICanHasKittenz
– Fatih Alp
Aug 2 '16 at 19:32
...