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How to initialize List object in Java?
...ray, you could use java.util.Arrays.toString(array);, so this feature is already given..
– Maxr1998
Jun 3 '15 at 13:00
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Altering a column: null to not null
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This doesn't answer the problem. The default is already set, it's the NOT NULL which needs to be changed. With only your answer, all existing records will stay NULL and the problem remains.
– PandaWood
Aug 26 '15 at 0:16
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Key existence check in HashMap
...ontainsKey() than check for null. We should worry more about being easy to read, which saves developers time, than about some minor optimization, in most cases. At least not optimize before it becomes necessary.
– Max
Apr 24 '17 at 17:56
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Qt: can't find -lGL error
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you don't need to install anything. libGL is already installed with Ubuntu, you just need to soft link it. (tested for ubuntu 14.x and 15.x, might work for later versions)
First locate the GL library
Then link it under /usr/lib
If the library is missing, it can be insta...
How do I replace text inside a div element?
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@Aeyoun The OP implied they were already using Prototype, so if that's the case it makes sense to take advantage of it.
– John Topley
Apr 8 '13 at 7:35
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What is cardinality in MySQL?
... @Pacerier: Yes, although I think that people working on databases are already quite familiar with relational theory, set theory and mathematics. And they borrowed the term from set theory: en.m.wikipedia.org/wiki/Cardinality
– Alexander Torstling
Jul 17 '15 ...
When to use transclude 'true' and transclude 'element' in Angular?
...eresting is what tags the browser DOM has after the directive, not what it reads...
– kontur
Feb 9 '15 at 9:22
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浅谈TCP优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...过如下方法来调整「cwnd」初始值：
shell> ip route | while read p; do
ip route change $p initcwnd 10;
done
需要提醒的是片面的提升发送端「cwnd」的大小并不一定有效，这是因为前面我们说过网络中实际传输的未经确认的数据...
What is a covariant return type?
...nction is allowed to make changes to it's behaviour that's what you get to read in most of the books, but what they { authors } miss out on is that we can change the return type too.
check below link for clarification we can change the return type as long as it can be assigned to return type of Bas...
How to put a new line into a wpf TextBlock control?
...tent with newline.\r\nto display</subTag>
</tag>
When it was read into my C# code the string had double backslashes.
\\r\\n
To fix this I wrote a ValueConverter to strip the extra backslash.
public class XmlStringConverter : IValueConverter
{
public object Convert(
obje...