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Ruby send vs __send__
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32
If you really need send to behave like it would normally do, you should use __send__, because i...
MFC Dialog中嵌入View、动态创建View的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的需要手动调一下。代码如下，亲测有效：
//.h
CView *m_pDemoView;
//.cpp 构造函数或OnInitDialog函数
CMainContainer::OnInitDialog() //CDialog才有，像CWnd等没有OnInitDialog可以放在构造函数中，然后OnPaint()函数中改变大小并显示。
{
m_pDem...
Function to return only alpha-numeric characters from string?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Python 3.x rounding behavior
...l.Decimal('3.5').quantize(decimal.Decimal('1'),
rounding=decimal.ROUND_HALF_UP)
>>> Decimal('4')
>>> decimal.Decimal('2.5').quantize(decimal.Decimal('1'),
rounding=decimal.ROUND_HALF_EVEN)
>>> Decimal('2')
>>> decimal.Decimal('3.5').quantize(decimal...
What's the difference between using CGFloat and float?
...e types were introduced to make it easier to write code that works on both 32-bit and 64-bit without modification. However, if all you need is float precision within your own code, you can still use float if you like — it will reduce your memory footprint somewhat. Same goes for integer values.
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Java Class.cast() vs. cast operator
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sfusseneggersfussenegger
32.2k1313 gold badges9191 silver badges116116 bronze badges
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Why does ReSharper want to use 'var' for everything?
...? :D
– Mark Simpson
Dec 9 '09 at 13:32
74
Being explicit is more clear in my opinion. Using var t...
How to log PostgreSQL queries?
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In your data/postgresql.conf file, change the log_statement setting to 'all'.
Edit
Looking at your new information, I'd say there may be a few other settings to verify:
make sure you have turned on the log_destination variable
make sure you turn on the logging_collect...
Returning anonymous type in C#
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32
In C# 7 we can use tuples to accomplish this:
public List<(int SomeVariable, string Another...
How to identify platform/compiler from preprocessor macros?
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For Mac OS:
#ifdef __APPLE__
For MingW on Windows:
#ifdef __MINGW32__
For Linux:
#ifdef __linux__
For other Windows compilers, check this thread and this for several other compilers and architectures.
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