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How to check if a given directory exists in Ruby
...d method `exists?' for Dir:Class (NoMethodError). Also, the plural form is now deprecated, use .exist? instead.
– Josip Rodin
Oct 22 '15 at 9:09
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How to recognize USB devices in Virtualbox running on a Linux host? [closed]
...art your computer. 4) Run dmesg | grep -i tty you should see your device now. 5) sudo adduser $USER dialout 6) screen /dev/ttyUSB0 115200
– PrimeTime
May 6 at 2:18
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Why are Subjects not recommended in .NET Reactive Extensions?
...ppropriate FromEvent method and we are done. To the Pub!
For option 2, we now need to consider how we poll this and how to do this effciently. Also when we get the value, how do we publish it?
I would imagine that you would want a dedicated thread for polling. You wouldn't want some other coder ha...
if arguments is equal to this string, define a variable like this string
I am doing some bash script and now I got one variable call source and one array called samples , like this:
3 Answers
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Can Objective-C switch on NSString?
...ght after utilizations of switch statements, so hopefully they hop on the (now) Java (and others) bandwagon!
If you are doing card names, perhaps assign each card object an integer value and switch on that. Or perhaps an enum, which is considered as a number and can therefore be switched upon.
e.g...
Building a complete online payment gateway like Paypal [closed]
...een there and done that. It was a lot easier about 10 years ago than it is now, but if you have a phenomenal amount of time, money and patience available, it is still possible.
You will need to contact an acquiring bank. You didnt say what region of the world you are in, but by this I dont mean a ...
How to unstash only certain files?
I stashed my changes. Now I want to unstash only some files from the stash. How can I do this?
7 Answers
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CSS for grabbing cursors (drag & drop)
... I saw the move icon, thought the grab icon was better. But now that you pointed out w3c considers that cursor "Indicates something is to be moved," it makes the most sense. Thanks.
– at.
Apr 18 '11 at 7:05
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How to start an Intent by passing some parameters to it?
...e"
If your parameters are ints you would use getIntExtra() instead etc.
Now you can use your parameters like you normally would.
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Number of rows affected by an UPDATE in PL/SQL
...e, if my table T has one column c1 which contains "1" as value for all and now I update all rows for that column to "2", how will partitioning by null help?
– nanosoft
Mar 20 '17 at 9:02
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