大约有 44,000 项符合查询结果(耗时:0.0549秒) [XML]

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Extract month and year from a zoo::yearmon object

...an extract the date parts as required: > format(date1, "%b") ## Month, char, abbreviated [1] "Mar" > format(date1, "%Y") ## Year with century [1] "2012" > format(date1, "%m") ## numeric month [1] "03" These are returned as characters. Where appropriate, wrap in as.numeric() if you want t...
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Check if a div exists with jquery [duplicate]

...myDiv.length){ //you can now reuse $myDiv here, without having to select it again. } }); A selector always returns a jQuery object, so there shouldn't be a need to check against null (I'd be interested if there is an edge case where you need to check for null - but I don't think the...
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Why doesn't logcat show anything in my Android?

... No need restart eclipse > just select your emulator or device from DDMS – Mahesh Nov 22 '12 at 11:55 1 ...
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Only get hash value using md5sum (without filename)

...ssed by just the name without the [0] index, ie, $md5 contains only the 32 chars of the md5sum. md5=($(md5sum file)) echo $md5 # 53c8fdfcbb60cf8e1a1ee90601cc8fe2 share | improve this answer ...
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How to calculate the SVG Path for an arc (of a circle)

...so far, there are actually four arcs that could be drawn, so the two flags select one of them. I'm guessing you probably want to draw a small arc (meaning large-arc-flag=0), in the direction of decreasing angle (meaning sweep-flag=0). All together, the SVG path is: M 200 175 A 25 25 0 0 0 182.322 2...
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'dragleave' of parent element fires when dragging over children elements

... Combine with css child selector to reach all children of your dropzone: .dropzone * {pointer-events: none;} – Philipp F Jun 10 '15 at 9:00 ...
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I want to copy table contained from one database and insert onto another database table

...as below. CREATE TABLE db2.table LIKE db1.table; INSERT INTO db2.table SELECT * FROM db1.table; share | improve this answer | follow | ...
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Apache Tomcat Not Showing in Eclipse Server Runtime Environments

... For version 2019-09, in drop down select: 2019-09 - download.eclipse.org/releases/2019-09 and install both: JST Server Adapters and JST Server Adapters extensions – Olivier Royo Nov 14 '19 at 8:07 ...
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What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon

...s the longest possible worldwide phone number I should consider in SQL varchar(length) for phone. 5 Answers ...
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Clear android application user data

.... So, run su first. Here is the sample code: private static final String CHARSET_NAME = "UTF-8"; String cmd = "pm clear com.android.browser"; ProcessBuilder pb = new ProcessBuilder().redirectErrorStream(true).command("su"); Process p = pb.start(); // We must handle the result stream in another T...