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Jump to editor shortcut in Intellij IDEA

... With Alt + Home you can actually put focus on selecting the file and hit enter in order to go to the editor. Esc is not always going to put the focus on editor. For those on Mac (you don't have a Home key), use Command + E to open the recent files then hit enter. ...
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Failed to build gem native extension (installing Compass)

...l the Xcode Command Line Tools this is the key to install Compass. xcode-select --install Installing the Xcode Command Line Tools are the key to getting Compass working on OS X 3. Install Compass sudo gem install compass ...
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If table exists drop table then create it, if it does not exist just create it

...up the old table, obviously. Wrapping all statements with something like SELECT GET_LOCK('__upgrade', -1); ... DO RELEASE_LOCK('__upgrade'); allows to just invoke all statements sequentially without error checking, but I don't think it's a good idea: complexity increases and locking functions in M...
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Sleep Command in T-SQL?

...(@hours * 60) * 60)) - (@mins * 60) IF @hours > 23 BEGIN select @hours = 23 select @mins = 59 select @secs = 59 -- 'maximum wait time is 23 hours, 59 minutes and 59 seconds.' END declare @sql nvarchar(24) = 'WAITFOR DELAY '+char(39)+cast(@hours as nvarchar(2))...
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Limit file format when using ?

...te of <input type = "file"> can help to provide a filter in the file select dialog box of the OS. For example, <!-- (IE 10+, Edge (EdgeHTML), Edge (Chromium), Chrome, Firefox 42+) --> <input type="file" accept=".xls,.xlsx" /> should provide a way to filter out files other...
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Notepad++ Multi editing

... Yes: simply press and hold the Alt key, click and drag to select the lines whose columns you wish to edit, and begin typing. You can also go to Settings > Preferences..., and in the Editing tab, turn on multi-editing, to enable selection of multiple separate regions or columns o...
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What is the use of GO in SQL Server Management Studio & Transact SQL?

... gbn make it SELECT and look at what happens :-) – SQLMenace Feb 19 '10 at 21:09 14 ...
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整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...

...cookietime = 31536000; $uid = intval($get['uid']); $query = DB::query("SELECT uid, username, password FROM ".DB::table('common_member')." WHERE uid='$uid'"); if ($member = DB::fetch($query)) { dsetcookie('auth', authcode("$member[password]\t$member[uid]", 'ENCODE'), $cookietime); }else ...
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Why and not taking font-family and font-size from body?

...es if you want to change their font/text styles - should be easy enough by selecting them though, as you've just done. As far as I know, only form elements are affected. Off the top of my head: input, button, textarea, select. ...
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Remove columns from dataframe where ALL values are NA

... dplyr now has a select_if verb that may be helpful here: library(dplyr) temp <- data.frame(x = 1:5, y = c(1,2,NA,4, 5), z = rep(NA, 5)) not_all_na <- function(x) any(!is.na(x)) not_any_na <- function(x) all(!is.na(x)) > temp ...