大约有 42,000 项符合查询结果(耗时:0.0577秒) [XML]

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When to use self over $this?

... echo 'Y::foo()'; } } $x = new Y(); $x->bar(); ?> The idea is that $this->foo() calls the foo() member function of whatever is the exact type of the current object. If the object is of type X, it thus calls X::foo(). If the object is of type Y, it calls Y::foo(). But with se...
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how can I Update top 100 records in sql server

... Any idea how to use the order by as well? – Joe Phillips Feb 27 '13 at 18:30 8 ...
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Why doesn't Ruby support i++ or i--​ (increment/decrement operators)?

...10, Aleksi Niemelä <aleksi.niemela@cinnober.com> writes: |I got an idea from http://www.pragprog.com:8080/rubyfaq/rubyfaq-5.html#ss5.3 |and thought to try. I didn't manage to make "auto(in|de)crement" working so |could somebody help here? Does this contain some errors or is the idea |wrong? ...
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How to add additional fields to form before submit?

... Yes.You can try with some hidden params. $("#form").submit( function(eventObj) { $("<input />").attr("type", "hidden") .attr("name", "something") .attr("value", "something") .appendTo("#form"); return ...
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How do you connect to multiple MySQL databases on a single webpage?

...ect_db('database2', $dbh2); Then to query database 1 pass the first link identifier: mysql_query('select * from tablename', $dbh1); and for database 2 pass the second: mysql_query('select * from tablename', $dbh2); If you do not pass a link identifier then the last connection created is used...
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XPath OR operator for different nodes

...e below: xpath1 | xpath2 Eg: //input[@name="username"] | //input[@id="wm_login-username"] share | improve this answer | follow | ...
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pinterest api documentation [closed]

Update Aug 2015: Pinterest provides it here now https://dev.pinterest.com/ 10 Answers ...
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Fit image into ImageView, keep aspect ratio and then resize ImageView to image dimensions?

...n an activity. I tested it via button click handler. Enjoy. :) private void scaleImage(ImageView view) throws NoSuchElementException { // Get bitmap from the the ImageView. Bitmap bitmap = null; try { Drawable drawing = view.getDrawable(); bitmap = ((BitmapDrawable) d...
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AngularJS - convert dates in controller

...o convert date from this 1387843200000 format into this 24/12/2013 inside my controller ? 4 Answers ...
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Android webview & localStorage

... same :) thanks a lot. I also had to make sure you target at least Android 2.1 onwards: add android:minSdkVersion="7" to your manifest and change the Project Build Target (in eclipse) to be 2.1 at least. – danmux Nov 19 '11 at 18:49 ...