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What's the difference between String(value) vs value.toString()
Javascript has lot's of "tricks" around types and type conversions so I'm wondering if these 2 methods are the same or if there is some corner case that makes them different?
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How does Hadoop process records split across block boundaries?
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From hadoop source code of LineRecordReader.java the constructor: I find some comments :
// If this is not the first split, we always throw away first record
// because we always (except the last split) read one extra line in
// next() method.
if (start != 0) {
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For i = 0, why is (i += i++) equal to 0?
...lue to added to the prior value, namely 0. So, i ends up with zero.
Like Java, C# has sanitized a very asinine aspect of the C language by fixing the order of evaluation. Left-to-right, bottom-up: the most obvious order that is likely to be expected by coders.
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What is the difference between currying and partial application?
...onfess I haven't fully read yet) is "Currying and Partial Application with Java Closures".
It does look like this is widely-confused pair of terms, mind you.
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Behaviour of increment and decrement operators in Python
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@LennartRegebro: In C++ and Java, i++ only operates on lvalues. If it were intended to increment the object pointed to by i, this restriction would be unnecessary.
– Mechanical snail
Sep 20 '11 at 7:18
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Android preferences onclick event
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You need to use onPreferenceTreeClick event.
For example see http://www.javased.com/index.php?source_dir=platform_packages_apps_phone/src/com/android/phone/MobileNetworkSettings.java
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { ...
How to determine if binary tree is balanced?
...y is O(n), space is O(1), it's better than top-down solution. I give you a java version implementation.
public static <T> boolean isBalanced(TreeNode<T> root){
return checkBalance(root) != -1;
}
private static <T> int checkBalance(TreeNode<T> node){
if(node == null)...
How can I measure the speed of code written in PHP? [closed]
...e to transform to a truly SaaS model for better. Say goodbye to that bulky Java client if you'd like to.
There are free/open-source options now as well. Checkout Apache Skywalking which is very popular in China among their top tech companies and PinPoint which offers a demo that you can try before i...
How to think in data stores instead of databases?
... Link to 'reference properties' is broken, probably by addition of Java support. Try: code.google.com/appengine/docs/python/datastore/…
– Spike0xff
Jun 2 '09 at 5:17
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Differences between Emacs and Vim
...cs' modes. They make your life tremendously easier when editing XML, C/C++/Java/whatever, LaTeX, and most popular languages you can think of. They make you want to keep the editor open for long sessions and work.
All in all, I'll say that Vim pulls you to it for short, fast editing tasks; while Em...