大约有 15,640 项符合查询结果(耗时:0.0284秒) [XML]
Anaconda vs. EPD Enthought vs. manual installation of Python [closed]
... for a Python version with the same mode, you may sooner or later run into errors that look something like undefined symbol: PyUnicodeUCS4_AsUTF8String.
According to PEP 0513, UCS4 seems to currently be more popular and recommended. Also, the whole UCS compatibility issues seem to only affect 2.x a...
Join between tables in two different databases?
... is NOT inside the same backticks as the table name otherwise you will get ERROR 1146 (42S02): Table 'currentdb.otherdb.tablename' doesn't exist
– Jeff
May 12 '17 at 17:14
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What is the difference between and ? [duplicate]
...page so something like
<%
int i = 0;
%>
would generate a compiler error (since the same variable can't be declared more than once).
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fol...
Extension methods cannot be dynamically dispatched
...
You also get this error if you use uppercase @Model instead of lowercase model.
– Timothy Kanski
May 26 '16 at 2:53
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Representing null in JSON
...ifference may be significant. In many cases though, the benefits of making errors look wrong far outweighs the benefits of minor optimizations.
– Scott Smith
May 23 '16 at 21:35
11...
rails 3 validation on uniqueness on multiple attributes
...
You probably want to add a custom error msg like , :message => ' is taken for this recorded date'
– laffuste
May 15 '14 at 9:01
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How to kill a child process after a given timeout in Bash?
...e same process ID (although it's probably impossible to avoid this kind of error completely).
run_with_timeout ()
{
t=$1
shift
echo "running \"$*\" with timeout $t"
(
# first, run process in background
(exec sh -c "$*") &
pid=$!
echo $pid
# the timeout shell
(sleep $t ; e...
You need to use a Theme.AppCompat theme (or descendant) with this activity
...from @MarkKeen in the comments above as I had the same problem.
I had the error stated at the top of the post and happened after I added an alert dialog. I have all the relevant style information in the manifest. My problem was cured by changing a context reference in the alert builder - I changed:...
T-SQL: Opposite to string concatenation - how to split string into multiple records [duplicate]
... How can I call this function from a select query? I get the following error: Cannot find either column "dbo" or the user-defined function or aggregate "dbo.fn_Split", or the name is ambiguous.
– Lajos Arpad
Dec 21 '12 at 15:36
...
entity object cannot be referenced by multiple instances of IEntityChangeTracker. while adding relat
...r;
contextTwo.Groups.Add(group);
contextTwo.SaveChanges();
Code without error:
var context = new EntityContext();
var user = context.Users.FirstOrDefault();
var group = new Group();
group.User = user; // Be careful when you set entity properties.
// Be sure that all objects came from the same...
