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Mongoose — Force collection name
...ring,
password : String
}, { collection: 'userinfo' });
See this link from the Mongoose documentation for more information.
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Why can't decimal numbers be represented exactly in binary?
...not exact. All I did was move the decimal one place and suddenly I've gone from Exactopia to Inexactville. Mathematically, there should be no intrinsic difference between the two numbers -- they're just numbers.
Let's step away for a moment from the particulars of bases 10 and 2. Let's ask - in ba...
Simple logical operators in Bash
...nd substitution: there is a command inside the parentheses, and the output from the command is used as part of the command line (after extra expansions unless the substitution is between double quotes, but that's another story).
{ … } braces are like parentheses in that they group commands, but t...
Appending an element to the end of a list in Scala
... Thanks a lot! That was exactly what I was searching for. I guess from your answer I shouldn't do that though... I'll revise my structure and see what can I do. Thanks again.
– Masiar
Oct 17 '11 at 13:19
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When should I use the Visitor Design Pattern? [closed]
... sure they do explain it – it’s the same advantage that you always get from subclassing / runtime polymorphism over switch: switch hard-codes the decision making at the client side (code duplication) and doesn’t offer static type checking (check for completeness and distinctness of cases etc.)...
How to access parameters in a RESTful POST method
...aasvaak - you need to specify where each param is expected to be extracted from. As you have things now Jersey/NetBeans is assuming a form post and extracting the data sent as a FormParm. Annotate each of your method augments with where you want the data from (PathParam, FormParam, CookieParam etc)
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Difference between Service, Async Task & Thread?
...you will use a Service.
A Thread is a Thread, probably you already know it from other part. You need to know that you cannot update UI from a Thread. You need to use a Handler for this, but read further.
An AsyncTask is an intelligent Thread that is advised to be used. Intelligent as it can help wit...
Print a string as hex bytes?
...somehow.
If your terminal doesn't accept these characters, you can decode from UTF-8 or use the names (so you can paste and run the code along with me):
a_string = (
"\N{CYRILLIC CAPITAL LETTER PE}"
"\N{CYRILLIC SMALL LETTER ER}"
"\N{CYRILLIC SMALL LETTER I}"
"\N{CYRILLIC SMALL LET...
What does FrameLayout do?
...
Nice, I was thinking of it as a iframe as I am coming from web development. Thanks for the simplest explanation.
– Tarik
Dec 1 '17 at 19:54
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Can you change what a symlink points to after it is created?
... = 0
So I guess the final answer is "no".
EDIT: The following is copied from Arto Bendiken's answer over on unix.stackexchange.com, circa 2016.
This can indeed be done atomically with rename(2), by first creating the new symlink under a temporary name and then cleanly overwriting the old symlink...