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How to output something in PowerShell
...eed to know about the execution (what items were updated, what fields were set, et cetera) goes to Write-Output. This way, when you submit a script to the system administrator, he can easily runthescript.ps1 >someredirectedoutput.txt and see on the screen, if everything is OK. Then send the "some...
What is the difference between 'my' and 'our' in Perl?
I know what my is in Perl. It defines a variable that exists only in the scope of the block in which it is defined. What does our do?
...
Parsing XML with namespace in Python via 'ElementTree'
I have the following XML which I want to parse using Python's ElementTree :
6 Answers
...
What are the use(s) for tags in Go?
...pe:varchar(100);unique_index"`
Role string `gorm:"size:255"` // set field size to 255
MemberNumber *string `gorm:"unique;not null"` // set member number to unique and not null
Num int `gorm:"AUTO_INCREMENT"` // set num to auto incrementable
Address string `gorm:"i...
Find the max of two or more columns with pandas
...m.seed(0)
df_ = pd.DataFrame(np.random.randn(5, 1000))
perfplot.show(
setup=lambda n: pd.concat([df_] * n, ignore_index=True),
kernels=[
lambda df: df.assign(new=df.max(axis=1)),
lambda df: df.assign(new=df.values.max(1)),
lambda df: df.assign(new=np.nanmax(df.values...
Convert a positive number to negative in C#
You can convert a negative number to positive like this:
22 Answers
22
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Execute Insert command and return inserted Id in Sql
...r(50),
@occ varchar(50),
@New_MEM_BASIC_ID int OUTPUT
AS
BEGIN
SET NOCOUNT ON;
INSERT INTO Mem_Basic
VALUES (@na, @occ)
SELECT @New_MEM_BASIC_ID = SCOPE_IDENTITY()
END
C# code:
public int CreateNewMember(string Mem_NA, string Mem_Occ )
{
// values 0 --> -99 are SQ...
How do I forward declare an inner class? [duplicate]
...
This is simply not possible. You cannot forward declare a nested structure outside the container. You can only forward declare it within the container.
You'll need to do one of the following
Make the class non-nested
Change your declaration order so that the...
Difference between mkdir() and mkdirs() in java for java.io.File [closed]
Can anyone tell me the difference between these two methods:
3 Answers
3
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c++11右值引用、std::move移动语义、std::forward完美转发的一些总结 - C/C...
c++11右值引用、std::move移动语义、std::forward完美转发的一些总结c++11_rvalue_move_forwardstd::move 实际上并不能移动任何东西，它唯一的功能是将一个左值强制转换为右值引用，继而用于移动语义。从实现上讲，它基本等同于一个类型...