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When to Redis? When to MongoDB? [closed]

...e, writing stupid sql statements... not just one but freaking everywhere. "select this, select that". But in particular you remember the irritating WHERE clause. Where lastname equals "thornton" and movie equals "bad santa." Urgh. You think, "why don’t those dbas just do their job and give me som...
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How can I easily view the contents of a datatable or dataview in the immediate window

... of this solution: You don't need Visual Studio! Here my example output: SELECT PackKurz, PackName, PackGewicht FROM verpackungen PackKurz | PackName | PackGewicht | ---------------------|----------------------|----------------------|- BB205 | BigB...
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How do I import a Swift file from another Swift file?

...ne of the targets is having an issue, it still shows the error. If you had selected one of those other targets, it wouldn't let you compile. – Joel Teply Oct 30 '15 at 18:34 a...
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What is PAGEIOLATCH_SH wait type in SQL Server?

...ppens in queries that use indexes efficiently. If your query is like this: Select * from <table> where <col1> = <value> order by <PrimaryKey> , check that you have a composite index on (col1, col_primary_key). If you don't have one, then you'll need either a full INDEX SCAN ...
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Intellij reformat on file save

...cro (something like "formatted save") In File -> Settings -> Keymap, select your macro located at "Main Menu -> Tools -> "formatted save" Click "Add Keyboard Shortcut", then perform the keystroke you want. If you choose Ctrl+S like me, it will ask you what to do with the previous Ctrl+S ...
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LINQ Orderby Descending Query

...(x=>x.Delivery) where !t.Items && t.DeliverySelection orderby t.Delivery.SubmissionDate descending select t; share | improve t...
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How to view revision history for Mercurial file?

...a while to figure out how. You need to right-click on the desired file and select "File History". However, for some mysterious reason, the file needs to be unaltered. Furthermore, to find the desired file there are two options: In ### revision set query### one can type: file("**<myfile>") ...
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Excel “External table is not in the expected format.”

...e same problem. which as resolved using these steps: 1.) Click File 2.) Select "save as" 3.) Click on drop down (Save as type) 4.) Select Excel 97-2003 Workbook 5.) Click on Save button share | ...
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What is “with (nolock)” in SQL Server?

... If you use NOLOCK with a SELECT you run the risk of returning the same rows more than once (duplicated data) if data is ever inserted (or updated) into the table while doing a select. – Ian Boyd Sep 19 '13 at 0:...
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How to edit one specific row in Microsoft SQL Server Management Studio 2008?

...rver Management Studio 2008/2012/2014/2016 Step 1: Right button mouse > Select "Edit Top 200 Rows" Step 2: Navigate to Query Designer > Pane > SQL (Shortcut: Ctrl+3) Step 3: Modify the query Step 4: Right button mouse > Select "Execute SQL" (Shortcut: Ctrl+R) ...