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How do I show a marker in Maps launched by geo URI Intent?
I have a application where I want to show different locations (one at the time, picked by user input) by launching Google Maps with their specific geo coordinates.
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How to swap the buffers in 2 windows emacs
...he buffer on the left side, calling 'buf-move-right' will swap it with the one on the right. I guess this is what you want.
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Adb Devices can't find my phone [closed]
I am trying to get adb to see my Samsung Fascinate phone so that I can install my Android apps via usb to the phone. I am using osx 10.6.7.
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Behaviour of increment and decrement operators in Python
... +, count (two unary + operators) just as easily as it could be ++, count (one unary ++ operator). It's not a significant syntactic ambiguity, but it does exist.
Simpler language. ++ is nothing more than a synonym for += 1. It was a shorthand invented because C compilers were stupid and didn't know ...
In PHP, how do you change the key of an array element?
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Had to preserve the key order, good one, worked like a charm!
– Learner
Dec 18 '18 at 12:02
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Should I use string.isEmpty() or “”.equals(string)?
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@David dead link; here's a live one docjar.com/html/api/java/lang/String.java.html#1011
– Matt Ball
Apr 8 '12 at 14:31
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Appending a line to a file only if it does not already exist
...tected file, @drAlberT and @rubo77 's answers might not work for you since one can't sudo >>. A similarly simple solution, then, would be to use tee --append (or, on MacOS, tee -a):
LINE='include "/configs/projectname.conf"'
FILE=lighttpd.conf
grep -qF "$LINE" "$FILE" || echo "$LINE" | sudo...
Installing in Homebrew errors
... using that line right there. I had to do this myself after using the ruby one-liner at the top of the official docs to install Homebrew. Worked like a charm for me. It ought to be the only time you'll ever need to sudo with Homebrew.
I'm not sure if the ruby one-liner does this. If it did, then so...
Do interfaces inherit from Object class in java
...od of object class on interface instance
An interface implicitly declared one method for each public method in Object. Thus the equals method is implicitly declared as a member in an interface (unless it already inherits it from a superinterface).
This is explained in detail in the Java Language Sp...
What's the best way to share data between activities?
I have one activity which is the main activity used throughout the app and it has a number of variables. I have two other activities which I would like to be able to use the data from the first activity.
Now I know I can do something like this:
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