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How do I grant myself admin access to a local SQL Server instance?
I installed SQL Server 2008 R2 to my local machine. But, I can't create a new database because of rights (or lack of).
6 An...
Is it possible to append to innerHTML without destroying descendants' event listeners?
...
Unfortunately, assignment to innerHTML causes the destruction of all child elements, even if you're trying to append. If you want to preserve child nodes (and their event handlers), you'll need to use DOM functions:
function start() {
var myspan = document.getElementById("myspan");
...
What does an underscore in front of an import statement mean?
...erface in your code like in the example:
db, err := sql.Open("sqlite3", "./foo.db")
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Require either of two arguments using argparse
...exclusion (at least for the second part of your question).
This way, only foo or bar will be accepted, not both.
import argparse
parser = argparse.ArgumentParser()
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument('--foo',action=.....)
group.add_ar...
How to use Java property files?
...nputStream to the Property, so your file can pretty much be anywhere, and called anything.
Properties properties = new Properties();
try {
properties.load(new FileInputStream("path/filename"));
} catch (IOException e) {
...
}
Iterate as:
for(String key : properties.stringPropertyNames()) {
...
How do I create and access the global variables in Groovy?
...ipt in itself is a class with a method that will run the code, but that is all done runtime. We can define a variable to be scoped to the script by either omitting the type definition or in Groovy 1.8 we can add the @Field annotation.
import groovy.transform.Field
var1 = 'var1'
@Field String var2 ...
Can I set variables to undefined or pass undefined as an argument?
...t Javascript undefined & null.
Don't be confused about null. It generally makes sense and behaves similarly to other scripting languages' concepts of the out-of-band ‘null’, ‘nil’ or ‘None’ objects.
undefined, on the other hand, is a weird JavaScript quirk. It's a singleton object...
What do 3 dots next to a parameter type mean in Java?
...ks/tutorial/java/javaOO/arguments.html#varargs
In your example, you could call it as any of the following:
myMethod(); // Likely useless, but possible
myMethod("one", "two", "three");
myMethod("solo");
myMethod(new String[]{"a", "b", "c"});
Important Note: The argument(s) passed in this way is alwa...
Why are private fields private to the type, not the instance?
...this);
}
}
Can the compiler necessarily figure out that other is actually this? Not in all cases. One could argue that this just shouldn't compile then, but that means we have a code path where a private instance member of the correct instance isn't accessible, which I think is even worse.
On...
ld cannot find an existing library
..., used by the dynamic linker; libmagic.so is used by the linker, and is usually together with the headers in the -dev package. The symlink might be missing because the -dev package was not installed.
– CesarB
Dec 3 '08 at 10:49
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