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Mutex example / tutorial? [closed]
...world: (a color coded version on my blog too)
A lot of people run to a lone phone booth (they don't have mobile phones) to talk to their loved ones. The first person to catch the door-handle of the booth, is the one who is allowed to use the phone. He has to keep holding on to the handle of the d...
Why do I need an IoC container as opposed to straightforward DI code? [closed]
... Whatever this is (IoC, DynamicProxy, AOP or black magic) can someone link me to a concrete article/specific documentation in framework that provides more details for achieving this?
– fostandy
May 19 '10 at 6:38
...
valueOf() vs. toString() in Javascript
...if the hint is Number, then valueOf will be used first. Note that if only one is present, or it returns a non-primitive, it will usually call the other as the second choice.
The + operator always provides the hint Number, even if the first operand is a string value. Even though it asks x for its ...
How do I pass a variable by reference?
... the method, the outer scope will know nothing about it, and after you're done, the outer reference will still point at the original object.
If you pass an immutable object to a method, you still can't rebind the outer reference, and you can't even mutate the object.
To make it even more clear, l...
How to create a date and time picker in Android? [closed]
...
Am I the only one baffled at the fact that Google doesn't even support one of the most widely used controls in any business applications out there?
– l46kok
Jan 5 '15 at 3:13
...
What are database normal forms and can you give examples? [closed]
...is the most basic of normal forms - each cell in a table must contain only one piece of information, and there can be no duplicate rows.
2NF and 3NF are all about being dependent on the primary key. Recall that a primary key can be made up of multiple columns. As Chris said in his response:
The da...
How to drop a list of rows from Pandas dataframe?
...e.drop and pass it a Series of index labels:
In [65]: df
Out[65]:
one two
one 1 4
two 2 3
three 3 2
four 4 1
In [66]: df.drop(df.index[[1,3]])
Out[66]:
one two
one 1 4
three 3 2
...
Where can I find the “clamp” function in .NET?
...gt; would output NaN and using NaN for min or max would effectively make a one-sided clamp. With CompareTo it would always return NaN if max is NaN.
– Herman
Mar 18 '14 at 10:12
...
What are the dark corners of Vim your mom never told you about? [closed]
...
Might not be one that 99% of Vim users don't know about, but it's something I use daily and that any Linux+Vim poweruser must know.
Basic command, yet extremely useful.
:w !sudo tee %
I often forget to sudo before editing a file I do...
Could not load file or assembly 'xxx' or one of its dependencies. An attempt was made to load a prog
...
Sounds like one part of the project is being built for x86-only while the rest is being built for any CPU/x64. This bit me, too. Are you running an x64 (or uh... IA64)?
Check the project properties and make sure everything is being buil...