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How does this program work?
...e float.
On why 0 is printed: The floating point number is converted to double before sending to printf. The number 1234.5 in double representation in little endian is
00 00 00 00 00 4A 93 40
A %d consumes a 32-bit integer, so a zero is printed. (As a test, you could printf("%d, %d\n", 1234.5...
Parse an HTML string with JS
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Create a dummy DOM element and add the string to it. Then, you can manipulate it like any DOM element.
var el = document.createElement( 'html' );
el.innerHTML = "<html><head><title>titleTest</title></head><...
How to model type-safe enum types?
Scala doesn't have type-safe enum s like Java has. Given a set of related constants, what would be the best way in Scala to represent those constants?
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How to re-sign the ipa file?
How do I sign the .ipa file with a provisioning profile after I generate an IPA like the following with a different provision profile? I would like to sign the IPA with an ad-hoc provisioning profile for beta testing, and then re-sign the exact IPA with an app submission provisioning profile for the...
How to check whether an object is a date?
...tor, i.e. But it will return true for invalid dates too, e.g. new Date('random_string') is also instance of Date
date instanceof Date
This will fail if objects are passed across frame boundaries.
A work-around for this is to check the object's class via
Object.prototype.toString.call(date) === ...
Hide keyboard when scroll UITableView
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I've been doing iOS dev since for 3 years and I didn't know about this until now... unreal.
– Jacob King
Oct 28 '16 at 10:37
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How to create a release signed apk file using Gradle?
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If you're using gradlew on Windows, you need to be sure GRADLE_USER_HOME is defined as an environment variable to make this work. I set it to one directory above my project directory, and put my keystore there. The path to your keystore in gradle.properti...
Escaping HTML strings with jQuery
Does anyone know of an easy way to escape HTML from strings in jQuery ? I need to be able to pass an arbitrary string and have it properly escaped for display in an HTML page (preventing JavaScript/HTML injection attacks). I'm sure it's possible to extend jQuery to do this, but I don't know enoug...
How to explain dependency injection to a 5-year-old? [closed]
...the refrigerator for yourself, you can cause problems. You might leave the door open, you might get something Mommy or Daddy doesn't want you to have. You might even be looking for something we don't even have or which has expired.
What you should be doing is stating a need, "I need something to dr...
How can I open a URL in Android's web browser from my application?
...rIntent);
That works fine for me.
As for the missing "http://" I'd just do something like this:
if (!url.startsWith("http://") && !url.startsWith("https://"))
url = "http://" + url;
I would also probably pre-populate your EditText that the user is typing a URL in with "http://".
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