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How to check if a Ruby object is a Boolean
...String".boolean?
=> false
>> 1.boolean?
=> false
>> Time.now.boolean?
=> false
>> nil.boolean?
=> false
>> true.boolean?
=> true
>> false.boolean?
=> true
>> (1 ==1).boolean?
=> true
>> (1 ==2).boolean?
=> true
...
ArrayIndexOutOfBoundsException when using the ArrayList's iterator
Right now, I have a program containing a piece of code that looks like this:
8 Answers
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Get Base64 encode file-data from Input Form
...at, but it's here if you want to take a look; it's pretty neat.
What I do now:
The code for converting to string from a Uint8Array is pretty simple (where buf is a Uint8Array):
function uint8ToString(buf) {
var i, length, out = '';
for (i = 0, length = buf.length; i < length; i += 1) {...
IOException: read failed, socket might closed - Bluetooth on Android 4.3
...b/android-4.3_r2/core/java/android/bluetooth/BluetoothDevice.java#L1037).
Now, when I receive that exception, I instantiate a fallback BluetoothSocket, similar to the source code below. As you can see, invoking the hidden method createRfcommSocket via reflections. I have no clue why this method is ...
Get the current fragment object
...
Now at some point of time I need to identify which object is currently there
Call findFragmentById() on FragmentManager and determine which fragment is in your R.id.frameTitle container.
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Why does Azure deployment take so long?
...redis cache on Azure. My first service on azure - been waiting for 25 mins now and can't believe that this is normal / acceptable.
– Gravy
Jan 22 '18 at 17:09
1
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CSS text-decoration underline color [duplicate]
...duplicate question) This answer is outdated since text-decoration-color is now supported by most modern browsers.
You can do this via the following CSS rule as an example:
text-decoration-color:green
If this rule isn't supported by an older browser, you can use the following solution:
Setting...
Sort Go map values by keys
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Ah, okay. Thank you for teaching me. Now, it is printing all even then all odd. play.golang.org/p/K2y3m4Zzqd How can I get it to alternate so that it is in order?
– gramme.ninja
Apr 28 '14 at 2:20
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How is OAuth 2 different from OAuth 1?
... criticism here is against the user experience. With OAuth 2.0, there are now new ways for an application to get authorization for a user.
OAuth 2.0 no longer requires client applications to have cryptography. This hearkens back to the old Twitter Auth API, which didn't require the application to...
How do you make a web application in Clojure? [closed]
...to the huge majority of programmers that work daily with Java. I don't. I know Java-the-language, because I worked on Java projects, but not Java-the-world. I never made a web app from scratch in Java. If I have to do it with Python, Ruby, I know where to go (Django or Rails), but if I want to make ...