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Regex Named Groups in Java
...> TEST
matcher.name(1) ==> login
Replace
matcher.replaceAll("aaaaa_$1_sssss_$2____") ==> aaaaa_TEST_sssss_123____
matcher.replaceAll("aaaaa_${login}_sssss_${id}____") ==> aaaaa_TEST_sssss_123____
(extract from the implementation)
public final class Pattern
implements java.io...
CMake: Print out all accessible variables in a script
...
Using the get_cmake_property function, the following loop will print out all CMake variables defined and their values:
get_cmake_property(_variableNames VARIABLES)
list (SORT _variableNames)
foreach (_variableName ${_variableNames})
...
ImportError: Cannot import name X
...s something like this.
a = module() # import a
# rest of module
a.update_contents(real_a)
For python to be able to work with circular dependencies you must use import x style only.
import x
class cls:
def __init__(self):
self.y = x.y
Since you are no longer referring to the conte...
Add spaces before Capital Letters
...xt[i + 1]) helps with acronyms with special characters and digits (i.e. ABC_DEF wont get split as AB C_DEF).
– HeXanon
Oct 3 '18 at 8:33
1
...
What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
...s paired with a case of a regular single ellipsis.
template<typename _Res, typename... _ArgTypes>
struct _Weak_result_type_impl<_Res(_ArgTypes...)>
{ typedef _Res result_type; };
template<typename _Res, typename... _ArgTypes>
struct _Weak_result_type_impl<_Res(...
红外实验 - 把手机变成家电遥控器 · App Inventor 2 中文网
...
命名
关键属性
标签
标签_硬件
字号 18，文本「检测中…」
按钮
按钮_电源
文本「电源」
按钮
按钮_音量加
文本「音量 +」
标签
标...
手机当上位机：用二进制协议和设备收发数据 · App Inventor 2 中文网
...
电脑装好 Python 3（不需要装任何库），下载 binary_device.py，运行 python binary_device.py。
窗口显示「模拟设备已启动，端口 8888」和电脑 IP。电脑和手机连同一个 Wi-Fi；IP 不对时在电脑上用 ipconfig（Windows）或 ifconfig 查局域网...
How does Django's Meta class work?
...n [2]: User.Meta
Out[2]: django.contrib.auth.models.Meta
In [3]: User.Meta.__dict__
Out[3]:
{'__doc__': None,
'__module__': 'django.contrib.auth.models',
'abstract': False,
'verbose_name': <django.utils.functional.__proxy__ at 0x26a6610>,
'verbose_name_plural': <django.utils.functional...
How to make rpm auto install dependencies
...
No, this will not work unless libtest1-1.0-1.x86_64.rpm is in a repository elsewhere, or both packages are specified on the command line like "rpm -i" would require. I just verified this on yum 3.4.3 (Fedora 18). Transcript here showing that it goes to the updates repo for...
How to make an array of arrays in Java
...2DWeakRefsBuffered<T>
{
private final WeakReference<T>[][] _array;
private final Queue<T> _buffer;
private final int _width;
private final int _height;
private final int _bufferSize;
@SuppressWarnings( "unchecked" )
public Array2DWeakRefsBuffered( in...