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SELECT INTO using Oracle
...st want to copy the schema of old_table, use a negative where clause, like for instance: create new_table as select * from old_table WHERE 1=2.
– KMån
Feb 12 '10 at 9:38
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“Templates can be used only with field access, property access, single-dimension array index, or sin
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I had the same problem with something like
@foreach (var item in Model)
{
@Html.DisplayFor(m => !item.IsIdle, "BoolIcon")
}
I solved this just by doing
@foreach (var item in Model)
{
var active = !item.IsIdle;
@Html.DisplayFor(m => active , "BoolIc...
std::back_inserter for a std::set?
...ss it .begin():
std::set<int> s1, s2;
s1 = getAnExcitingSet();
transform(s1.begin(), s1.end(),
std::inserter(s2, s2.begin()), ExcitingUnaryFunctor());
The insert iterator will then call s2.insert(s2.begin(), x) where x is the value passed to the iterator when written to it. The s...
ApartmentState for dummies
... that COM does but .NET completely skips is providing threading guarantees for a class. A COM class can publish what kind of threading requirements it has. And the COM infrastructure makes sure those requirements are met.
This is completely absent in .NET. You can use a Queue<> object for ...
How do you use an identity file with rsync?
...e keys memory. The agent can be locked using ssh-add. A default lifetime for a key can be specified when ssh-agent is started, and or specified for a key when it is added.
You might also want to setup a ~/.ssh/config file to supply the port and key definition. (See `man ssh_config for more option...
The type must be a reference type in order to use it as parameter 'T' in the generic type or method
...re that T : class - you need to propagate that to make the compiler happy, for example (hard to say for sure without a repro example):
public class Derived<SomeModel> : Base<SomeModel> where SomeModel : class, IModel
^^...
How can I see the specific value of the sql_mode?
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It's only blank for you because you have not set the sql_mode. If you set it, then that query will show you the details:
mysql> SELECT @@sql_mode;
+------------+
| @@sql_mode |
+------------+
| |
+------------+
1 row in set (0...
How do I sort an array of hashes by a value in the hash?
... sort in-place. (Do you have a Python background, perhaps?)
Ruby has sort! for in-place sorting, but there's no in-place variant for sort_by in Ruby 1.8. In practice, you can do:
sorted = sort_me.sort_by { |k| k["value"] }
puts sorted
As of Ruby 1.9+, .sort_by! is available for in-place sorting:
so...
Does Swift support reflection?
Does Swift support reflection? e.g. is there something like valueForKeyPath: and setValue:forKeyPath: for Swift objects?
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Set default value of an integer column SQLite
...DEFAULT <DefaultValue>
...
)
<DefaultValue> is a placeholder for a:
value literal
( expression )
Examples:
Count INTEGER DEFAULT 0,
LastSeen TEXT DEFAULT (datetime('now'))
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