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Can't start Eclipse - Java was started but returned exit code=13
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There are working combinations of OS, JDK and Eclipse bitness. In my case, I was using a 64-bit JDK with a 32-bit Eclipse on a 64-bit OS. After downgrading the JDK to 32-bit, Eclipse started working.
Use one of the following combinations.
32-bit OS, 32-bit JDK, 32-bit Eclipse ...
What's wrong with nullable columns in composite primary keys?
ORACLE does not permit NULL values in any of the columns that comprise a primary key. It appears that the same is true of most other "enterprise-level" systems.
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Instance variables vs. class variables in Python
I have Python classes, of which I need only one instance at runtime, so it would be sufficient to have the attributes only once per class and not per instance. If there would be more than one instance (which won't happen), all instance should have the same configuration. I wonder which of the follow...
JavaScript: Class.method vs. Class.prototype.method
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Yes, the first function has no relationship with an object instance of that constructor function, you can consider it like a 'static method'.
In JavaScript functions are first-class objects, that means you can treat them just like any object, in this case, you are only...
How to parse the AndroidManifest.xml file inside an .apk package
...ile appears to be in a binary XML format. What is this format and how can it be parsed programmatically (as opposed to using the aapt dump tool in the SDK)?
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Can I set an opacity only to the background image of a div?
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Nope, this cannot be done since opacity affects the whole element including its content and there's no way to alter this behavior. You can work around this with the two following methods.
Secondary div
Add another div element to the container to hold the back...
How to set the thumbnail image on HTML5 video?
...follow
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edited Nov 19 '13 at 15:53
Afzaal Ahmad Zeeshan
14.5k1010 gold badges4747 silver badges9393 bronze badges
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What is the difference between .text, .value, and .value2?
...u the same as .Value2 except if the cell was formatted as currency or date it gives you a VBA currency (which may truncate decimal places) or VBA date.
Using .Value or .Text is usually a bad idea because you may not get the real value from the cell, and they are slower than .Value2
For a more exte...
Parse JSON in C#
...a from the Google AJAX Search API. I have this URL and I'd like to break it down so that the results are displayed. I've currently written this code, but I'm pretty lost in regards of what to do next, although there are a number of examples out there with simplified JSON strings.
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When should I use C++14 automatic return type deduction?
With GCC 4.8.0 released, we have a compiler that supports automatic return type deduction, part of C++14. With -std=c++1y , I can do this:
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