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how to check the jdk version used to compile a .class file [duplicate]
...t the major version from the results. Here are some example values:
Java 1.2 uses major version 46
Java 1.3 uses major version 47
Java 1.4 uses major version 48
Java 5 uses major version 49
Java 6 uses major version 50
Java 7 uses major version 51
Java 8 uses major version 52
Java 9 uses major ver...
Formatting a float to 2 decimal places
...red of trial and error and eventually scrolling through tons of docs every time I need to format some scalar.
$"{1234.5678:0.00}" "1234.57" 2 decimal places, notice that value is rounded
$"{1234.5678,10:0.00}" " 1234.57" right-aligned
$"{1234.5678,-10:0.00}" "1234.57 " ...
CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术
...型，则需调用：
BOOL CGridCtrl::SetCellType(int nRow, int nCol, CRuntimeClass* pRuntimeClass)
若要让所有新创建的单元格都是复选框类型的的，则需调用：
BOOL CGridCtrl::SetDefaultCellType( CRuntimeClass* pRuntimeClass)
注：详情参见：本文章节2.4.2
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Which version of C# am I using
...e of main Assemblies i.e.
Console.Write(typeof(string).Assembly.ImageRuntimeVersion);
Getting version of C# compiler is somewhat harder, but you should be able to guess version by checking what framework version is used.
If you are using command line compiler (csc.exe) you can check help to s...
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...Fit exponential data
# Data
x_samp, y_samp = generate_data(func_exp, 2.5, 1.2, 0.7, jitter=3)
y_trans = transformer.fit_transform(y_samp) # 1
# Regression
regressor = LinearRegression()
results = regressor.fit(x_samp, y_trans) # 2
model = results.predict
y_fit = model(x_...
Javadoc @see or {@link}?
...t but not mentioned in the description.
I refer to the same thing multiple times in the description, and it is used as a replacement for multiple links to the same.
I based this opinion on randomly checking out documentation for a great variety of things in the standard library.
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sqlite database default time value 'now'
Is it possible in a sqlite database to craete a table that has a timestamp column that default to DATETIME('now') ?
7 Ans...
What is the runtime performance cost of a Docker container?
I'd like to comprehensively understand the run-time performance cost of a Docker container. I've found references to networking anecdotally being ~100µs slower .
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partial string formatting
...='BAR')
>>> 'FOO BAR'
You can't specify foo and bar at the same time - you have to do it sequentially.
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Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
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I wish they would of updated that error message, every time I get it I end up landing on this page and answer
– oshi2016
Mar 16 '17 at 5:46
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