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What is JavaScript's highest integer value that a number can go to without losing precision?
... the ability to represent integers exactly and to correctly compare them.
From the spec:
Note that all the positive and negative integers whose magnitude is no
greater than 253 are representable in the Number type (indeed, the
integer 0 has two representations, +0 and -0).
To safely use i...
Way to go from recursion to iteration
I've used recursion quite a lot on my many years of programming to solve simple problems, but I'm fully aware that sometimes you need iteration due to memory/speed problems.
...
TypeError: $.ajax(…) is not a function?
I'm trying to create a simple AJAX request which returns some data from a MySQL database. Here's my function below:
13 Answ...
java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android
...he Activity is destroyed, created again and the layouts are “inflated” from the XML consuming the VM memory available for bitmaps.
Bitmaps on the previous activity layout are not properly de-allocated by the garbage collector because they have crossed references to their activity. After many ex...
Rename a file using Java
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Copied from http://exampledepot.8waytrips.com/egs/java.io/RenameFile.html
// File (or directory) with old name
File file = new File("oldname");
// File (or directory) with new name
File file2 = new File("newname");
if (file2.exis...
How exactly does the android:onClick XML attribute differ from setOnClickListener?
From that I've read you can assign a onClick handler to a button in two ways.
17 Answers
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What does do?
...site as IE7 vs IE8 or 9. I always prefer the latest version of IE.
IE11
From Microsoft:
Starting with IE11, edge mode is the preferred document mode; it represents the highest support for modern standards available to the browser.
Use the HTML5 document type declaration to enable edge m...
Why is there no Constant feature in Java?
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Every time I go from heavy C++ coding to Java, it takes me a little while to adapt to the lack of const-correctness in Java. This usage of const in C++ is much different than just declaring constant variables, if you didn't know. Essential...
Why should I use version control? [closed]
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Even if you work alone you can benefit from source control. Among others, for these reasons:
You don't lose anything. I never again commented out code. I simply delete it. It doesn't clutter my screen, and it isn't lost. I can recover it by checking out an old c...
How do you design object oriented projects? [closed]
...onality.
Create a class diagram. If you're a Java developer, NetBeans 6.7 from Sun has a UML module that allows for diagramming as well as round-trip engineering and it's FREE. Eclipse (an open source Java IDE), also has a modeling framework, but I have no experience with it. You may also want t...