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Globally override key binding in Emacs
How can I set a key binding that globally overrides and takes precedence over all other bindings for that key? I want to override all major/minor mode maps and make sure my binding is always in effect.
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Can an Android NFC phone act as an NFC tag?
... an NFC tag. Now my question is, can we switch this around? Can we make an Android NFC phone behave as the tag which an NFC reader will get data from?
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Efficiently test if a port is open on Linux?
...mp;6
I'm using 6 as the file descriptor because 0,1,2 are stdin, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe.
As per the comment below, to test for listening on a local server in a script:
exec 6<>/dev/tcp/127.0.0.1/445 || echo "N...
What is the equivalent of Java's final in C#?
...inal keyword has several usages in Java. It corresponds to both the sealed and readonly keywords in C#, depending on the context in which it is used.
Classes
To prevent subclassing (inheritance from the defined class):
Java
public final class MyFinalClass {...}
C#
public sealed class MyFinalClass {...
Resource interpreted as Document but transferred with MIME type application/zip
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That fixes Chrome, but breaks other browsers. My Android phones won't download from that kind of link.
– Betty
Aug 28 '15 at 11:20
38
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What's the u prefix in a Python string?
...s that your string is a Unicode string.
Q: I'm in a terrible, awful hurry and I landed here from Google Search. I'm trying to write this data to a file, I'm getting an error, and I need the dead simplest, probably flawed, solution this second.
A: You should really read Joel's Absolute Minimum Ever...
How do I tell Gradle to use specific JDK version?
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There's a difference between options 1 and 2 that should be clarified: In option 1 we are setting the JVM for gradle itself to run under which will also be used to run the compiler task (notice that javac itself is a java application), while in option 2 we are jus...
defaultdict of defaultdict?
...ultdict(int)) will be called when you try to access a key that don't exist and the return value of it will be set as the new value of this key which mean in our case the value of d[Key_dont_exist] will be defaultdict(int), and if you try to access a key from this last defaultdict i.e. d[Key_dont_exi...
What is the best way to check for Internet connectivity using .NET?
What is the fastest and most efficient way to check for Internet connectivity in .NET?
27 Answers
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How do I create 7-Zip archives with .NET?
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If you can guarantee the 7-zip app will be installed (and in the path) on all target machines, you can offload by calling the command line app 7z. Not the most elegant solution but it is the least work.
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