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PostgreSQL - Rename database
...er clients connected to the database at the time. Lastly, try posting the error message it returns so we can get a bit more information.
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What's the advantage of a Java enum versus a class with public static final fields?
...constants, any value of the same intrinsic type could be used, introducing errors. With an enum only the applicable values can be used.
For example
public static final int SIZE_SMALL = 1;
public static final int SIZE_MEDIUM = 2;
public static final int SIZE_LARGE = 3;
public void setSize(int n...
PHP Redirect with POST data
... echo @stream_get_contents($fp);
die();
} else {
// Error
throw new Exception("Error loading '$url', $php_errormsg");
}
}
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How to configure git push to automatically set upstream without -u?
...s by @VonC and @Frexuz are helpful, but both of their solutions produce an error for me. Using both of their answers, I cobbled together something that works for me:
[alias]
pu = ![[ $(git config "branch.$(git symbolic-ref --short HEAD).merge") = '' ]] && git push -u origin $(git sy...
How to rebase local branch with remote master
... master RB
When trying to push back to origin/RB, you'll probably get an error; if you're the only one working on RB, you can force push:
git push --force origin RB
...or as follows if you have git configured appropriately:
git push -f
...
How to start working with GTest and CMake
...s between your test binary and the Google Test library is to blame on such errors. That's why it's recommended to bring in Google Test in the source form and build it along with your tests. It's very easy to do in CMake. You just invoke ADD_SUBDIRECTORY with the path to the gtest root and then you ...
Java Class.cast() vs. cast operator
...ct
rather than
MyObject myObject = MyObject.class.cast(object)
EDIT: Errors at compile time
Over all, Java performs cast checks at run time only. However, the compiler can issue an error if it can prove that such casts can never succeed (e.g. cast a class to another class that's not a supert...
How to declare Return Types for Functions in TypeScript
... to number literal. the compiler will infer both types and you will get an error if you try to assign a string to a number.
class Greeter {
greet() {
return "Hello, "; // type infered to be string
}
}
var x = 0; // type infered to be number
// now if you try to do this, you will...
How to sleep for five seconds in a batch file/cmd [duplicate]
...
@Cybergibbons Beware fence-post error here. There is a 1s delay between each ping, so for a 10s delay you need to do 11 pings, i.e. "ping 127.0.0.1 -n 11 > nul"
– gb96
Jul 11 '13 at 0:39
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Key hash for Android-Facebook app
...continuing with the openSSL. Otherwise you'd be hashing the wrong password error text :)
– Vaiden
Jan 6 '13 at 16:37
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