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'Specified condition “$(PackageAsSingleFile)” evaluates to “” instead of a boolean?
... solution to this? Restarting works, but I keep getting this error occasionally..
– Pbirkoff
Jan 29 '14 at 13:27
4
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Argparse: Required argument 'y' if 'x' is present
...
No, there isn't any option in argparse to make mutually inclusive sets of options.
The simplest way to deal with this would be:
if args.prox and (args.lport is None or args.rport is None):
parser.error("--prox requires --lport and --rport.")
...
Uninstalling Android ADT
...is seems like a trivial task, but I can't find an option to cleanly de-install the ADT from my Eclipse installation.
Of course, I could just delete the folder of the SDK, but this just throws errors when starting up Eclipse the next time. The reason I'm asking is because my old ADT keeps throwing a ...
What's the difference between git reflog and log?
...eline --graph --decorate.)
git reflog doesn't traverse HEAD's ancestry at all. The reflog is an ordered list of the commits that HEAD has pointed to: it's undo history for your repo. The reflog isn't part of the repo itself (it's stored separately to the commits themselves) and isn't included in pu...
decimal vs double! - Which one should I use and when? [duplicate]
...is inaccurate - it has relative accuracy and can represent very large or small magnitudes that decimal cannot handle at all.
– Michael Borgwardt
Jul 22 '09 at 15:14
77
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What are enums and why are they useful?
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You should always use enums when a variable (especially a method parameter) can only take one out of a small set of possible values. Examples would be things like type constants (contract status: "permanent", "temp", "apprentice"), or flags ("execute now", "defer execution")....
Controlling fps with requestAnimationFrame?
...isk of making my animation choppy, but right now it seems to run at drastically different speeds pretty arbitrarily, and I'm wondering if there's a way to combat that somehow.
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Git remote branch deleted, but still it appears in 'branch -a'
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git remote prune origin, as suggested in the other answer, will remove all such stale branches. That's probably what you'd want in most cases, but if you want to just remove that particular remote-tracking branch, you should do:
git branch -d -r origin/coolbranch
(The -r is easy to forget...)...
Waiting on a list of Future
...//4 tasks
for(int i = 0; i < 4; i++) {
completionService.submit(new Callable<SomeResult>() {
public SomeResult call() {
...
return result;
}
});
}
int received = 0;
boolean errors = false;
while(received < 4 && !errors) {
Future&l...
Linux find file names with given string
I'm on Ubuntu, and I'd like to find all files in the current directory and subdirectories whose name contains the string "John". I know that grep can match the content in the files, but I have no idea how to use it with file names. Any help would be appreciated.
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