大约有 40,000 项符合查询结果(耗时:0.0543秒) [XML]

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Xcode/Simulator: How to run older iOS version?

...e simulator from 3.2 onwards after upgrading. In the iPhone Simulator try selecting Hardware -> Version -> 3.2 share | improve this answer | follow | ...
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How to move the cursor word by word in the OS X Terminal

...e sequences for you: Open Terminal preferences (cmd+,); At Settings tab, select Keyboard and double-click ⌥ ← if it's there, or add it if it's not. Set the modifier as desired, and type the shortcut key in the box: esc+B, generating the text \033b (you can't type this text manually). Repeat fo...
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PostgreSQL delete with inner join

...ctprice WHERE m_pricelist_version_id='1000020' AND m_product_id IN (SELECT m_product_id FROM m_product WHERE upc = '7094'); share | improve t...
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Using jquery to get all checked checkboxes with a certain class name

...? $(this).val() : ""); }); An example to demonstrate. :checkbox is a selector for checkboxes (in fact, you could omit the input part of the selector, although I found niche cases where you would get strange results doing this in earlier versions of the library. I'm sure they are fixed in later...
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How to apply bindValue method in LIMIT clause?

...ode $skip = isset($_GET['skip']) ? (int)trim($_GET['skip']) : 0; $sql = "SELECT * FROM pictures WHERE album = ? ORDER BY id LIMIT ?, ?"; $stmt = $PDO->prepare($sql); $stmt->execute([$_GET['albumid'], $skip, $max]); $pictures = $stmt->fetchAll(PDO::FETCH_ASSOC); ...
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How to get jQuery dropdown value onchange event

... $('#drop').change( function() { var val1 = $('#pick option:selected').val(); var val2 = $('#drop option:selected').val(); // Do something with val1 and val2 ... } ); share | ...
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Is there a JSON equivalent of XQuery/XPath?

...g tools including filtering, recursive search, sorting, mapping, range selection, and flexible expressions with wildcard string comparisons and various operators. JSONselect has another point of view on the question (CSS selector-like, rather than XPath) and has a JavaScript implementation. ...
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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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What is in your Mathematica tool bag? [closed]

...pplication of Reap and Sow which mimics/extends the behavior of GatherBy: SelectEquivalents[x_List,f_:Identity, g_:Identity, h_:(#2&)]:= Reap[Sow[g[#],{f[#]}]&/@x, _, h][[2]]; This allows me to group lists by any criteria and transform them in the process. The way it works is that a c...
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MongoDB Show all contents from all collections

... Step 1: See all your databases: show dbs Step 2: Select the database use your_database_name Step 3: Show the collections show collections This will list all the collections in your selected database. Step 4: See all the data db.collection_name.find() or db.colle...