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Python Linked List
...le to reference separate parts of them. Make them immutable and they are really easy to work with!
28 Answers
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Suppressing deprecated warnings in Xcode
With all the SDKs floating around, it's handy to be able to build for multiple SDKs and platforms. However, bouncing from 3.2 to 3.0 and even occasionally 2.x, I frequently get deprecated warnings involving methods that have changed or been superseded:
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How to use SQL Order By statement to sort results case insensitive?
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@Vincy: I don't see what's so weird about case-sensitive string comparison. That's how the <, ==, etc. operators work by default in every programming language that I'm familiar with.
– dan04
Feb 13 '18 at 17:31
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How to list out all the subviews in a uiviewcontroller in iOS?
I want to list out all the subviews in a UIViewController . I tried self.view.subviews , but not all of the subviews are listed out, for instance, the subviews in the UITableViewCell are not found. Any idea?
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How to detect the current OS from Gradle
...ncl. FreeBSD and Solaris).
import org.gradle.internal.os.OperatingSystem
String osName = OperatingSystem.current().getName();
String osVersion = OperatingSystem.current().getVersion();
println "*** $osName $osVersion was detected."
if (OperatingSystem.current().isLinux()) {
// Consider Linux....
Running multiple commands with xargs
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If you're including the % character somewhere in your string passed to sh -c, then this is prone to security vulnerabilities: A filename containing $(rm -rf ~)'$(rm -rf ~)' (and that's a perfectly legal substring to have within a filename on common UNIX filesystems!) will cause ...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...seeing if postgres works, create a scaffold:
$ rails g scaffold cats name:string age:integer colour:string
3) As of rails 4.0.1 the -d postgresql option generates a YAML that doesn't include a host parameter. I found I needed this. Edit the development section and create the following parameters:...
Python nested functions variable scoping [duplicate]
I've read almost all the other questions about the topic, but my code still doesn't work.
10 Answers
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Open link in new tab or window [duplicate]
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It shouldn't be your call to decide whether the link should open in a new tab or a new window, since ultimately this choice should be done by the settings of the user's browser. Some people like tabs; some like new windows.
Using _blank will tell...
How to pass a user defined argument in scrapy spider
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The above code is only partially working for me. For eg. If I define domain using self.domain, I'm still not able to access it outside the __init__ method. Python throws a not defined error. BTW, why have you omitted the super call? PS. I'm working wit...