大约有 41,000 项符合查询结果(耗时:0.0359秒) [XML]

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Easiest way to copy a table from one database to another?

... CREATE TABLE db1.table1 SELECT * FROM db2.table1 where db1 is the destination and db2 is the source share | improve this answer | ...
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How can I select all children of an element except the last child?

How would I select all but the last child using CSS3 selectors? 9 Answers 9 ...
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How do I enumerate through a JObject?

.... I.e. you ((IEnumerable<KeyValuePair<string, JToken>>)obj).Select(...) instead of plain-old obj.Select(...); or at least that's what I found it one part of my code. – Adrian Ratnapala Nov 26 '14 at 9:26 ...
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What is the difference between decodeURIComponent and decodeURI?

...arators are encoded also because they are regarded as text and not special characters. Now back to the difference between the decode functions, each function decodes strings generated by its corresponding encode counterpart taking care of the semantics of the special characters and their handling. ...
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Are string.Equals() and == operator really same? [duplicate]

... most of the time. These methods determine whether two string are the same character-for-character, which is rarely the correct behavior. It is better to use string.Equals(string, StringComparison), which allows you to specify a particular type of comparison. By using the correct comparison, you can...
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Properly escape a double quote in CSV

... Why was this answer ever voted up? The comment about escaping characters was never backed up and the original question doesn't ask about PHP. This only seems to be true for the string delimiter (and only for the chosen delimiter) when a program, such as Open Office, allows you to change...
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Which is better: … or

...PT - - %Script; -- script statements --> <!ATTLIST SCRIPT charset %Charset; #IMPLIED -- char encoding of linked resource -- type %ContentType; #REQUIRED -- content type of script language -- src %URI; #IMPLIED -- URI for an external script -- ...
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Select DISTINCT individual columns in django?

I'm curious if there's any way to do a query in Django that's not a " SELECT * FROM... " underneath. I'm trying to do a " SELECT DISTINCT columnName FROM ... " instead. ...
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Is Meyers' implementation of the Singleton pattern thread safe?

...ingleton& instance() { static bool initialized = false; static char s[sizeof( Singleton)]; if (!initialized) { initialized = true; new( &s) Singleton(); // call placement new on s to construct it } return (*(reinterpret_cast<Singleton*>( &s)))...
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Using str_replace so that it only acts on the first match?

...r downside is you have to use preg_quote() on the "needle" and escape meta-characters $ and \ in the replacement. – Josh Davis Aug 10 '09 at 2:53 32 ...