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Append column to pandas dataframe
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dat1 dat2
1 0.0 NaN
2 NaN 4.0
3 1.0 NaN
4 NaN 5.0
5 2.0 NaN
6 NaN 6.0
7 3.0 NaN
8 NaN 7.0
#reset index
dat1 = dat1.reset_index(drop=True)
dat2 = dat2.reset_index(drop=True)
#both 2 ways to get the same result
print(dat1.join(dat2))
dat1 dat2
0 0 4
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How to generate UML diagrams (especially sequence diagrams) from Java code?
...one of the authors, so the answer can be biased. It is open-source (Apache 2.0), but the plugin is not free. You don't have to pay (obviously) if you clone and build it locally.
On Intellij IDEA, ZenUML can generate sequence diagram from Java code.
Check it out at https://plugins.jetbrains.com/p...
Inversion of Control vs Dependency Injection
...e we plug something into something else. He mentioned an example about EJB 2.0:
22 Answers
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How to use z-index in svg elements?
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SVG 2 Support Mozilla - Painting
How do I know if my browser supports svg 2.0
Can I use SVG
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Use NUnit Assert.Throws method or ExpectedException attribute?
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If you are using older version(<=2.0) of NUnit then you need to use ExpectedException.
If you are using 2.5 or later version then you can use Assert.Throw()
https://github.com/nunit/docs/wiki/Breaking-Changes
How to use:
https://www.nunit.org/index.php?p...
How do I scroll the UIScrollView when the keyboard appears?
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I just implemented this with Swift 2.0 for iOS9 on Xcode 7 (beta 6), works fine here.
override func viewWillAppear(animated: Bool) {
super.viewWillAppear(animated)
registerKeyboardNotifications()
}
func registerKeyboardNotifications() {
NSNotific...
Hiding elements in responsive layout?
...getbootstrap.com/css/#responsive-utilities
Below is deprecated as of v3.2.0
Extra small devices
Phones (<768px) (Class names : .visible-xs, hidden-xs)
Small devices
Tablets (≥768px) (Class names : .visible-sm, hidden-sm)
Medium devices
Desktops (≥992px) (Class names : .visible-md, hid...
Performing user authentication in Java EE / JSF using j_security_check
...h is regarding user authentication for a web application making use of JSF 2.0 (and if any components do exist) and Java EE 6 core mechanisms (login/check permissions/logouts) with user information hold in a JPA entity. The Oracle Java EE tutorial is a bit sparse on this (only handles servlets).
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How can I convert a string to upper- or lower-case with XSLT?
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XSLT 2.0 has upper-case() and lower-case() functions. In case of XSLT 1.0, you can use translate():
<xsl:value-of select="translate("xslt", "abcdefghijklmnopqrstuvwxyz", "ABCDEFGHIJKLMNOPQRSTUVWXYZ")" />
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NAnt or MSBuild, which one to choose and when?
... DotNet 1.1 didn't have msbuild.exe. So we were screwed back then. Since 2.0, msbuild.exe and the extra libraries do alot. And writing a custom MsBuild-Task has a learning curve, but I've written about 10 of them over the years.
– granadaCoder
Jun 27 '14 at ...