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Can an int be null in Java?
...ect can be null, like Integer. Here's a basic example to show when you can test for null:
Integer data = check(Node root);
if ( data == null ) {
// do something
} else {
// do something
}
On the other hand, if check() is declared to return int, it can never be null and the whole if-else block ...
A free tool to check C/C++ source code against a set of coding standards? [closed]
...
I have tested it, and it is quite simple. But it works!
– Jader Dias
May 31 '11 at 18:47
7
...
Finding current executable's path without /proc/self/exe
...ues and presents code which actually works along with validation against a test suite.
The best way to find your program is to retrace the same steps the system uses. This is done by using argv[0] resolved against file system root, pwd, path environment and considering symlinks, and pathname canoni...
How to trick an application into thinking its stdout is a terminal, not a pipe
...x script command for this on macOS: script -q -t 0 tmp.out perl -e 'print "Test\n"' Test cat tmp.out Test
– hepcat72
Oct 23 '18 at 14:45
|
s...
Sample settings.xml for maven
... local
| environment.
|
| For example, if you have an integration testing plugin - like cactus -
| that needs to know where your Tomcat instance is installed, you can
| provide a variable here such that the variable is dereferenced during the
| build process to configure the cactus...
How to list branches that contain a given commit?
...n source project that reduces memory usage by 75% is in yet.
$ git log -1 tests
commit d590f2ac0635ec0053c4a7377bd929943d475297
Author: Nick Quaranto <nick@quaran.to>
Date: Wed Apr 1 20:38:59 2009 -0400
Green all around, finally.
$ git branch --contains d590f2
tests
* master
Note:...
How do I check if a string contains a specific word?
...ll also return true for the string 'Do you care?'
– DTest
Sep 28 '12 at 0:01
169
@DTest - well ye...
Android Webview - Webpage should fit the device screen
... work anymore. I'm the only one with this problem?
– testing
Mar 10 '16 at 9:42
@testing did you get any solution of i...
What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java
...thout providing a parameter
display(); // this will log 'default'
display('test'); // this will log 'test' to the console
The equivalent in other programming usually is:
function display(a = 'default') {
// ...
}
share...
windows版 svn 服务器搭建及总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...y。
可以使用svnadmin 命令，格式是：
svnadmin create d:/svntest
意思是在d盘创建名为svntest仓库。 不清楚的可以用 svnadmin help 查看帮助。
这里我是将一个存储仓库做为svn的根路径，其实svn的根路径也可以是单单一个文件夹。用...