大约有 49,000 项符合查询结果(耗时:0.0519秒) [XML]
Simulating group_concat MySQL function in Microsoft SQL Server 2005?
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Possibly too late to be of benefit now, but is this not the easiest way to do things?
SELECT empName, projIDs = replace
((SELECT Surname AS [data()]
FROM project_members
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Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
...ally transparent? g's supplier might have used mutable anyway. So I won't know. On the other hand, if the default is non-const, and people must add const instead of mutable to function objects, the compiler can actually enforce the const std::function<int(int)> part and now f can assume that g...
How to inherit constructors?
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In such context you're right although now "best practices" becomes "best available practices".
– too
Aug 26 '12 at 18:06
9
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How do you mock out the file system in C# for unit testing?
...dly posted it online here.
I've used this approach to mock out DateTime.UtcNow in an IClock
interface (really really useful for our testing to be able to control
the flow of time!), and more traditionally, an ISqlDataAccess
interface.
Another approach might be to use TypeMock, this allows you to
int...
Limit labels number on Chart.js line chart
...test pull.
How to use:
Applicable to bar chart and line chart.
User can now pass a { showXLabels: 10 } to display only 10 labels (actual displayed labels count might be a bit different depending on the number of total labels present on x axis, but it will still remain close to 10 however)
Helps ...
Convert form data to JavaScript object with jQuery
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@macek I know this is a few months old, but since when did do arrays use non-numeric indexes? No one should name an input foo[bar] and hope to treat it as an array. Are you confusing arrays and hashes? Yes, [] is commonly understood to...
When does System.gc() do something?
I know that garbage collection is automated in Java. But I understood that if you call System.gc() in your code that the JVM may or may not decide to perform garbage collection at that point. How does this work precisely? On what basis/parameters exactly does the JVM decide to do (or not do) a GC ...
Best way to trim strings after data entry. Should I create a custom model binder?
... explicitly trimming every user supplied string value. I'm interested to know how and when people are trimming strings.
15...
Django Server Error: port is already in use
... 0 0 :::3306 :::* LISTEN
So now just close the port in which Django/python running already by killing the process associated with it.
kill -9 PID
in my case
kill -9 6599
Now run your Django app.
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Meaning of = delete after function declaration
...tion is a C++11 feature:
The common idiom of "prohibiting copying" can now be expressed
directly:
class X {
// ...
X& operator=(const X&) = delete; // Disallow copying
X(const X&) = delete;
};
[...]
The "delete" mechanism can be used for any function. For e...
