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Quicksort vs heapsort
... Quicksort. Heapsort doesn't need more memory for another array to putting ordered data as is needed by Mergesort. So why do comercial applications stick with Quicksort? What Quicksort has that is so special over others implementations?
I've tested the algorithms myself and I've seen that Quicksort...
Call a Server-side Method on a Resource in a RESTful Way
... (i.e., so that intermediaries don’t have to
know the resource type in order to understand the meaning of the
request).
In the above examples, POST is uniformly designed. It will make the dog "bark". That is not safe (meaning bark has effects on the resources), nor idempotent (each request y...
Favicon dimensions? [duplicate]
...supported by several files:
A favicon.ico icon.
Some other PNG icons.
In order to get the best results across desktop browsers (Windows/IE, MacOS/Safari, etc.), you need to combine both types of icons.
favicon.ico
Although all desktop browsers can deal with this icon, it is primarily for older ver...
What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
...eType.REMOVE and orphanRemoval=true.
For orphan removal:
If you invoke setOrders(null), the related Order entities will be removed in db automatically.
For remove cascade:
If you invoke setOrders(null), the related Order entities will NOT be removed in db automatically.
...
UICollectionView inside a UITableViewCell — dynamic height?
... Here's what fixed it for me - in systemLayoutSizeFitting, reverse the order of what's shown in the answer currently, so that first collectionView.layoutIfNeeded() runs, then collectionView.frame = CGRect.init(origin: .zero, size: CGSize.init(width: targetSize.width, height: 1))
...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...不做修改表示使用[]中的默认值
先将mysql的lib目录加入 /etc/ld.so.conf，然后执行ldconfig命令使其生效，否则填完以下install配置后，会出现错误"bin/postconf: error while loading shared libraries: libmysqlclient.so.18: cannot open shared object file: No such f...
Can I use my existing git repo with openshift?
...lias here:
git remote add openshift -f <openshift-git-repo-url>
In order to then be able to push the code from your local git repo to openshift you first have to merge your openshift repo with your local bitbucket clone. You do that by issuing locally:
git merge openshift/master -s recursiv...
How to enumerate an enum with String type?
...cle perhaps there is an issue that an enum is really a set and therefore unordered... mind you... order cases defined in wouldn't be a bad start!
– rougeExciter
Jun 17 '14 at 18:20
...
What is the difference between \r and \n?
...al CRT terminals, CR was one of the ways to control the cursor position in order to update text already on the screen.
But most of the time, you actually just wanted to go to the next line. Rather than requiring the pair of control characters, some systems allowed just one or the other. For examp...
Use StringFormat to add a string to a WPF XAML binding
...nternationalization, you'd probably be better off using a converter so the order of the number and units isn't fixed. <Run Text="{x:Static s:UIStrings.General_FahrenheitAbbreviation}" />
– Matt Becker
Nov 10 '15 at 15:19
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