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What do numbers using 0x notation mean?

... @Luc The first one is correct. Although more often I see just 0xffffffff and such. (0xffffffff = -1 for 32-bit int assuming 2's complement) – Mysticial Jul 23 '13 at 16:30 ...
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Eclipse: have the same file open in two editors?

... Open your file and then Window->New Editor (Note: in newer versions it will be called New Window) Then, click on its tab and drag it somewhere else to have two editors of the same file Update: as mentioned by moschlar, From version 4.4...
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How to get multiple counts with one SQL query?

...a.distributor_id, (SELECT COUNT(*) FROM myTable WHERE level='personal' and distributor_id = a.distributor_id) as PersonalCount, (SELECT COUNT(*) FROM myTable WHERE level='exec' and distributor_id = a.distributor_id) as ExecCount, (SELECT COUNT(*) FROM myTable WHERE distributor_id = a.dis...
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How to check if element has any children in Javascript?

... (as opposed to text nodes, attribute nodes, etc.) on all modern browsers (and IE8 — in fact, even IE6) you can do this: (thank you Florian!) if (element.children.length > 0) { // Or just `if (element.children.length)` // It has at least one element as a child } That relies on the child...
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How to DROP multiple columns with a single ALTER TABLE statement in SQL Server?

I would like to write a single SQL command to drop multiple columns from a single table in one ALTER TABLE statement. 11 ...
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Disable pasting text into HTML form

... To do so, I wrote a cross-browser* implementation of Internet Explorer's (and others') onpaste event handler. My solution had to be independent of any third-party JavaScript libraries. Here's what I came up with. It doesn't completely disable pasting (the user can paste a single character at a tim...
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Add Bootstrap Glyphicon to Input Box

...="form-control" /> </div> You can use the following CSS to left and right align glyphs: /* enable absolute positioning */ .inner-addon { position: relative; } /* style icon */ .inner-addon .glyphicon { position: absolute; padding: 10px; pointer-events: none; } /* align icon...
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What is the easiest way to initialize a std::vector with hardcoded elements?

I can create an array and initialize it like this: 29 Answers 29 ...
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Why are `private val` and `private final val` different?

I used to think that private val and private final val are same, until I saw section 4.1 in Scala Reference: 2 Answers ...
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Partly cherry-picking a commit with Git

I'm working on 2 different branches: release and development . 7 Answers 7 ...