大约有 6,886 项符合查询结果(耗时:0.0164秒) [XML]

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What is the difference between trie and radix trie data structures?

...Because in TRIE if you wan to search the next char you need to see the ith index in the child array of the current node but in radix tree you need search for all the child nodes sequentially. See the implementation code.google.com/p/radixtree/source/browse/trunk/RadixTree/src/… ...
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Download File Using jQuery

... If you don't want search engines to index certain files, you can use robots.txt to tell web spiders not to access certain parts of your website. If you rely only on javascript, then some users who browse without it won't be able to click your links. ...
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What are the use(s) for tags in Go?

...hday *time.Time Email string `gorm:"type:varchar(100);unique_index"` Role string `gorm:"size:255"` // set field size to 255 MemberNumber *string `gorm:"unique;not null"` // set member number to unique and not null Num int `gorm:"AUTO_INCREMENT"` // set num t...
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android get real path by Uri.getPath()

...} else { cursor.moveToFirst(); int idx = cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA); result = cursor.getString(idx); cursor.close(); } return result; } NOTE: managedQuery() method is deprecated, so I am not using it. Last edit: Improvemen...
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How do I add a foreign key to an existing SQLite table?

...MA foreign_keys=OFF. Start a transaction. Remember the format of all indexes and triggers associated with table X. This information will be needed in step 8 below. One way to do this is to run a query like the following: SELECT type, sql FROM sqlite_master WHERE tbl_name='X'. Use CREAT...
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Convert integer into its character equivalent, where 0 => a, 1 => b, etc

... FYI JScript (IE) does not support the index operator [] on strings. – Crescent Fresh Jun 29 '10 at 22:21 4 ...
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Uses for Optional

...e case when it is important that a certain element is located at a certain index, but the element can be present or not. That is clearly communicated by a List<Optional<T>> type. If on the other hand it is only important which objects that are members some some collection then there is n...
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How to print to console using swift playground?

...pping the string in println(), simply output the string. For example: for index in 1...5 { "The number is \(index)" } Will write (5 times) in the playground area. This will allow you to display it in the Assistant Editor (via the little circle on the far right edge). However, if you were to ...
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Deny access to one specific folder in .htaccess

...u just wish to disallow a listing of directory files you can use Options -Indexes share | improve this answer | follow | ...
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How to set radio button checked as default in radiogroup?

... or if you don't want to id your RadioButton and you know the index you can use ((RadioButton)radioGroup.getChildAt(INDEX)).setChecked(true); – Ahmad Kayyali Apr 29 '13 at 12:32 ...