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How to create composite primary key in SQL Server 2008
... to create tables in SQL Server 2008, but I don't know how to create composite primary key. How can I achieve this?
8 Answe...
Set markers for individual points on a line in Matplotlib
... hline marker
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edit: with an example of marking an arbitrary subset of points, as requested in the comments:
import numpy as np
import matplotlib.pyplot as plt
xs = np.linspace(-np.pi, np.pi, 30)
ys = np.sin(xs)
markers_on = [12, 17, 18, 1...
Compute a confidence interval from sample data
...follow
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edited Aug 6 '18 at 17:46
gcamargo
2,22422 gold badges1717 silver badges3131 bronze badges
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delete word after or around cursor in VIM
I'm now switching to VIM from TextMate. I found ^+W in INSERT mode very useful. However, I'd like to delete not only the word before cursor, but the word after or around cursor as well.
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In android studio,cannot load 2 facets-unknown facet type:android and android-gradle
...ndows or Meta+Comma in Mac.
In top search bar type "plugin".
On right side it will show a list of plugins, find Android Support plugin, check it and click OK at the bottom of screen.
This is how it looks:
share
...
Swift: declare an empty dictionary
... are going to change the contents of the dictionary over time then declare it as a var (variable). You can declare an empty dictionary as a let (constant) but it is pointless if you have the intention of changing its contents over time, since constant can't be changed after it has been initialized.
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What's the difference between HEAD^ and HEAD~ in Git?
When I specify an ancestor commit object in Git, I'm confused between HEAD^ and HEAD~ .
15 Answers
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How to pass parameters in GET requests with jQuery
...rver by data option in ajax and the type which defines how you are sending it (either POST or GET). The default type is GET method
Try this
$.ajax({
url: "ajax.aspx",
type: "get", //send it through get method
data: {
ajaxid: 4,
UserID: UserID,
EmailAddress: EmailAddress
},
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Returning value from called function in a shell script
...
A Bash function can't return a string directly like you want it to. You can do three things:
Echo a string
Return an exit status, which is a number, not a string
Share a variable
This is also true for some other shells.
Here's how to do each of those options:
1. Echo strings
loc...
MySQL query to get column names?
...`TABLE_SCHEMA`='yourdatabasename'
AND `TABLE_NAME`='yourtablename';
It's VERY powerful, and can give you TONS of information without need to parse text (Such as column type, whether the column is nullable, max column size, character set, etc)...
Oh, and it's standard SQL (Whereas SHOW ... is...