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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...x basics.
Of course, this assumes, that server side is not introducing any extra limit.
Preferably use in conjunction with firebug net panel (or your browser's equivalent)
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Converting user input string to regular expression
...r expression tester in HTML and JavaScript. The user will enter a regex, a string, and choose the function they want to test with (e.g. search, match, replace, etc.) via radio button and the program will display the results when that function is run with the specified arguments. Naturally there will...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...plicit val sc = new SparkContext(conf)
val range = ('a' to 'z').map(_.toString)
val rdd = sc.parallelize(range)
println(range.reduce(_ + _))
println(rdd.reduce(_ + _))
println(rdd.fold("")(_ + _))
}
Print out:
abcdefghijklmnopqrstuvwxyz
abcghituvjklmwxyzqrsdefnop
defghinopjklmqrst...
Google Maps Android API v2 Authorization failure
...equired.
Under the Manifest file I replaced the old API KEY value with the
string shortcut created by this new XML file:
android:value="@string/google_maps_key", instead of stating the KEY
directly.
Finally, remove the new MapActivity, but keep the xml file that was
created in that process.
Note: ...
Using braces with dynamic variable names in PHP
...
Overview
In PHP, you can just put an extra $ in front of a variable to make it a dynamic variable :
$$variableName = $value;
While I wouldn't recommend it, you could even chain this behavior :
$$$$$$$$DoNotTryThisAtHomeKids = $value;
You can but are not forced...
Setting environment variables for accessing in PHP when using Apache
...
in xampp on windows the file will be C:\xampp\apache\conf\extra\httpd-vhosts.conf
– Dung
Apr 3 '17 at 19:09
...
What's the deal with a leading underscore in PHP class methods?
.... In some older classes you'll see /**private*/ __foo() { to give it some extra weight.
I've never heard of developers prefacing all their methods with underscores, so I can't begin to explain what causes that.
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phonegap open link in browser
... not able to get links to open in the default browser app cross-platform.
Extra credit
Here's an example (live) click handler for the links:
document.addEventListener('click', function (e) {
if (e.target.tagName === 'A' &&
e.target.href.match(/^https?:\/\//)) {
e.preve...
How to change letter spacing in a Textview?
...ntent.Context;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.ScaleXSpan;
import android.util.AttributeSet;
import android.widget.TextView;
public class LetterSpacingTextView extends TextView {
private float letterSpacing = LetterSpacing.BIGGEST;
...
How should I copy Strings in Java?
...kup variable still contains the original value "hello" (this is because of String's immutability right?).
5 Answers
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