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How to replace an entire line in a text file by line number
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10
For me it says: sed: -e expression #1, char 26: unknown option to ``s' and my line is: sed -i '7s/.*/<param-value>http://localhost:808...
T-SQL get SELECTed value of stored procedure
... @OutValue=MyIntField FROM MyTable WHERE MyPrimaryKeyField = @Param
RETURN 0
GO
and now call your procedure like:
DECLARE @SelectedValue int
,@Param int
SET @Param=1
EXEC GetMyInt @Param, @SelectedValue OUTPUT
PRINT @SelectedValue
Output parameters can only return one value, but...
Incorrect syntax near ')' calling stored procedure with GETDATE
... |
edited Apr 4 '11 at 6:01
answered Mar 8 '10 at 3:25
Mit...
Matplotlib scatterplot; colour as a function of a third variable
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import matplotlib.pyplot as plt
# Generate data...
x = np.random.random(10)
y = np.random.random(10)
# Plot...
plt.scatter(x, y, c=y, s=500)
plt.gray()
plt.show()
Or, if you'd prefer a wider range of colormaps, you can also specify the cmap kwarg to scatter. To use the reversed version of a...
Left-pad printf with spaces
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If you want the word "Hello" to print in a column that's 40 characters wide, with spaces padding the left, use the following.
char *ptr = "Hello";
printf("%40s\n", ptr);
That will give you 35 spaces, then the word "Hello". This is how you format stuff when you know how wide you ...
Can I make a function available in every controller in angular?
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290
You basically have two options, either define it as a service, or place it on your root scope. I...
How to preserve line breaks when storing a command output to a variable in bash?
...ypal singh
65.1k1919 gold badges9292 silver badges130130 bronze badges
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How do I install imagemagick with homebrew?
...
Alex Lockwood
80.3k3636 gold badges196196 silver badges242242 bronze badges
answered Sep 13 '11 at 19:11
Marc LMarc ...
Convert DateTime to String PHP
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420
You can use the format method of the DateTime class:
$date = new DateTime('2000-01-01');
$resul...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...活。这行语句会变成对函数_CxxThrowException (函数来自MSVCR100.dll或其他类似版本的dll)的调用。 这个函数有编译器内部构建。你喜欢的话，你可以自己调用它。这个函数的第一个参数是指向抛出的异常对象的指针。 所以，上面的代...