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java.lang.UnsupportedClassVersionError: Bad version number in .class file?
...s could happen is when you are launching an instance of eclipse (for debug etc.) from a host eclipse - in which case, altering the project's level or JRE library on the project's classpath alone doesn't help. What matters is the JRE used to launch the target eclipse environment.
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VIM Disable Automatic Newline At End Of File
...possibly there is a mixup with windows/unix line ending types (\n or \r\n, etc).
Update:
An alternative solution might be to just add this line to your .vimrc:
set fileformats+=dos
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impro...
jQuery: select all elements of a given class, except for a particular Id
... have an exact id, id containing a specific word, id starting with a word, etc... see http://www.w3schools.com/jquery/jquery_ref_selectors.asp for more information on jQuery selectors.
Ignore by Exact ID:
$(".thisClass").not('[id="thisId"]').doAction();
Ignore ID's that contains the word "Id"
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What does %~dp0 mean, and how does it work?
...he variable index. 0 = the calling file, 1 = argument #1, 2 = argument #2, etc...
– Chris
Jun 21 '12 at 16:43
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Necessary to add link tag for favicon.ico?
...users to choose whether or not it should automatically look. Therefore, in order to ensure that it will always appear and get looked at, you do have to define it.
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Is there a standard naming convention for XML elements? [closed]
...core
- Element names cannot start with the letters xml(or XML, or Xml, etc)
- Element names can contain letters, digits, hyphens, underscores, and periods
- Element names cannot contain spaces
Any name can be used, no words are reserved (except xml).
Best Naming Practices
- Cre...
C# Interfaces. Implicit implementation versus Explicit implementation
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Implicit definition would be to just add the methods / properties, etc. demanded by the interface directly to the class as public methods.
Explicit definition forces the members to be exposed only when you are working with the interface directly, and not the underlying implementation. This...
Convert a float64 to an int in Go
...ur quick(!) friend.
Approaches with fmt.Sprintf and strconv.Atois() were 2 orders of magnitude slower according to my tests with a matrix of float64 values that were intended to become correctly rounded int values.
package main
import (
"fmt"
"math"
)
func main() {
var x float64 = 5.51
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How to use enums as flags in C++?
...nimalFlags>(static_cast<int>(a) | static_cast<int>(b));
}
Etc. rest of the bit operators. Modify as needed if the enum range exceeds int range.
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Java: Path vs File
... "add children" with resolve(...) or "move up one level" with getParent(), etc. whereas File cannot. Essentially once you have finished modifying the Path, you'll often convert it toFile() so it can be sent into legacy methods such as a FileInputStream constructor.
– MasterHD
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