大约有 20,000 项符合查询结果（耗时：0.0647秒） [XML]
Total size of the contents of all the files in a directory [closed]
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@MathiasBynens Reverse the order of the flags (i.e. du -sbh <dir>). Works for me.
– Luis E.
May 30 '13 at 7:52
2
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How can I test if a letter in a string is uppercase or lowercase using JavaScript?
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Convert the entire string just in order to check the ASCII value of one character? Wasteful.
– Engineer
Aug 16 '19 at 14:31
add a comm...
Does the join order matter in SQL?
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For INNER joins, no, the order doesn't matter. The queries will return same results, as long as you change your selects from SELECT * to SELECT a.*, b.*, c.*.
For (LEFT, RIGHT or FULL) OUTER joins, yes, the order matters - and (updated) things are...
PostgreSQL array_agg order
...8.4/static/functions-aggregate.html
In the current implementation, the order of the input is in principle unspecified. Supplying the input values from a sorted subquery will usually work, however. For example:
SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
So in your c...
Placing/Overlapping(z-index) a view above another view in android
...you can use a FrameLayout. In a FrameLayout, the z-index is defined by the order in which the items are added, for example:
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
&l...
Open file via SSH and Sudo with Emacs
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and now added to wikemacs as well wikemacs.org/index.php/TRAMP. Thanks phils, it works great.
– Ehvince
Jul 24 '13 at 10:14
1
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Code First: Independent associations vs. Foreign key associations?
...l advantage of ORM you will definitely use Entity reference:
public class Order
{
public int ID { get; set; }
public Customer Customer { get; set; } // <-- Customer object
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}
Once you generate an entity model from a database with FKs it will always generate entity references. If...
C++ SFINAE examples?
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The link changed to blog.olivierlanglois.net/index.php/2007/09/01/…
– tstenner
Aug 25 '09 at 17:32
21
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How can I deploy an iPhone application from Xcode to a real iPhone device?
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Free Provisioning after Xcode 7
In order to test your app on a real device rather than pay the Apple Developer fee (or jailbreak your device), you can use the new free provisioning that Xcode 7 and iOS 9 supports.
Here are the steps taken more or less from the...
windows service vs scheduled task
...dly prototyping", as my IT Dept often does, you do whatever you have to in order to make ends meet. Once the prototyping and proof of concept stuff is out of the way, usually in the early planning and discovering, you have to decide what's more reliable for long term sustainability.
OK, so in concl...