大约有 40,000 项符合查询结果（耗时：0.0695秒） [XML]
How to select a single field for all documents in a MongoDB collection?
...uery. In the result set, only the item and qty fields and, by default, the _id field return in the matching documents.
db.inventory.find( { type: 'food' }, { item: 1, qty: 1 } )
In this example from the folks at Mongo, the returned documents will contain only the fields of item, qty, and _id.
Thus...
How do I tidy up an HTML file's indentation in VI?
...
From chovy.com/web-development/fix-indentation-and-tabs-in-vim found that I needed to reload the file with :e after filetype indent on.
– Marc Stober
May 17 '12 at 1:06
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Showing empty view when ListView is empty
...ml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<!-- the android:id is important -->
<ListVie...
How do I remove diacritics (accents) from a string in .NET?
...eeping the letter. (E.g. convert é to e , so crème brûlée would become creme brulee )
20 Answers
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Batch File; List files in directory, only filenames?
...answered May 3 '18 at 10:14
Mike_GreMike_Gre
8111 silver badge33 bronze badges
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How to rethrow InnerException without losing stack trace in C#?
... You may need to put a regular throw; after the .Throw() line, because the compiler won't know that .Throw() always throws an exception. throw; will never be called as a result, but at least the compiler won't complain if your method requires a return object or is an async function.
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Resolve build errors due to circular dependency amongst classes
...riting a compiler. And you see code like this.
// file: A.h
class A {
B _b;
};
// file: B.h
class B {
A _a;
};
// file main.cc
#include "A.h"
#include "B.h"
int main(...) {
A a;
}
When you are compiling the .cc file (remember that the .cc and not the .h is the unit of compilation), you ne...
Check whether an array is empty [duplicate]
...
array with zero elements converts to false
http://php.net/manual/en/language.types.boolean.php
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RESTful URL design for search
... A Search is just another resource that can be used with the full range of HTTP verbs.
– Rich Apodaca
May 31 '09 at 14:46
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