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Use ASP.NET MVC validation with jquery ajax?
...ata.ModelState;
if (!modelState.IsValid)
{
var errorModel =
from x in modelState.Keys
where modelState[x].Errors.Count > 0
select new
{
key = x,
...
Is there a way to 'uniq' by column?
... 00:58:29.793000000,xx3.net,255.255.255.0
stack2@domain.com,2009-11-27 01:05:47.893000000,xx2.net,127.0.0.1
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How do I adb pull ALL files of a folder present in SD Card
...to restart adb as root: type adb root before pull. Otherwise you'll get an error saying remote object '/data/data/xxx.example.app' does not exist
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How can I fix WebStorm warning “Unresolved function or method” for “require” (Firefox Add-on SDK)
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I still have the error in the compiler error TS2304: Cannot find name 'require'.
– SuperUberDuper
Oct 21 '16 at 12:12
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What is the formal difference in Scala between braces and parentheses, and when should they be used?
...+
2
3
}
method(
1 +
2
3
)
The first compiles, the second gives error: ')' expected but integer literal found. The author wanted to write 1 + 2 + 3.
One could argue it’s similar for multi-parameter methods with default arguments; it’s impossible to accidentally forget a comma to separ...
Why doesn't std::queue::pop return value.?
I went through this page but I am not able to get the reason for the same . There it is mentioned that
7 Answers
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Python: try statement in a single line
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Some people abuse the short-circuiting behavior of or to do this. This is error prone, so I never use it.
c = None
b = [1, 2]
a = c or b
Consider the following case:
c = []
b = [1, 2]
a = c or b
In this case, a probably should be [], but it is [1, 2] because [] is false in a boolean context. ...
How to check if a file exists in Go?
... between checking and opening, and anyway you'll need to check the os.Open error regardless. So you simply call os.IsNotExist(err) after you try
to open the file, and deal with its non-existence there (if that requires special handling).
[...] You don't need to check for the paths existing ...
Python time measure function
... use yield?
– jiamo
May 3 '15 at 12:05
def timing(f): def wrap(*args, **kwargs): time1 = time.time() ...
Apply multiple functions to multiple groupby columns
... uses other columns (like lambda x: x['D'][x['C'] < 3].sum() above: "KeyError: 'D'"). Any idea if that's possible?
– beardc
Jan 25 '13 at 20:56
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