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Alter Table Add Column Syntax
...creating the table (through a temp table)?
– Örjan Jämte
Sep 16 '09 at 11:41
1
In a relational ...
Do a “git export” (like “svn export”)?
...ed May 29 '18 at 10:10
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered Oct 2 '08 at 18:13
...
How do I use floating-point division in bash?
...e hoping to get an integer for later use in bash by using scale=0. As of v1.06.95, bc, for some reason, ignores the scale variable when the input numbers have a decimal part. Maybe this is in the docs, but I couldn't find it. Try: echo $(bc -l <<< 'scale=0; 1*3.3333')
...
How to draw rounded rectangle in Android UI?
...ust define a new xml background in the drawables folder
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="enter_your_desired_color_here" />
<corners android:radius="enter_you...
Best practices for catching and re-throwing .NET exceptions
What are the best practices to consider when catching exceptions and re-throwing them? I want to make sure that the Exception object's InnerException and stack trace are preserved. Is there a difference between the following code blocks in the way they handle this?
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Creating dataframe from a dictionary where entries have different lengths
...r key, value in mydict.items() })
>>> dict_df
one 2 3
0 1.0 4 8.0
1 2.0 5 NaN
2 3.0 6 NaN
3 NaN 7 NaN
A similar syntax exists for lists, too:
>>> mylist = [ [1,2,3], [4,5], 6 ]
>>> list_df = pd.DataFrame([ pd.Series(value) for value in mylist ])
&...
Show which git tag you are on?
...is outputs a trailing ^0 for commits which correspond to tags (eg, for tag 1.0 it outputs 1.0^0). Is there any way of having Git output only 1.0, or should I use sed for this?
– Daniel Serodio
Jun 24 '15 at 14:16
...
sed error: “invalid reference \1 on `s' command's RHS”
...use -r you don't have to escape the parentheses.
– qräbnö
Jan 13 '18 at 12:52
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How do you use NSAttributedString?
...lor : BLACK_SHADOW];
[shadow setShadowOffset : CGSizeMake (1.0, 1.0)];
[shadow setShadowBlurRadius : 1];
NSAttributedString *labelText = [[NSAttributedString alloc] initWithString : myNSString
attributes : @{
NSParagraphStyleAttributeName : parag...
How do I use $scope.$watch and $scope.$apply in AngularJS?
... Using this.myVar puts myVar on the scope.
– Marcus Rådell
Oct 3 '14 at 12:15
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