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missing private key in the distribution certificate on keychain

...ain Access application to export both the certificate and the private key. Select both using shift or command and right click to export to a .p12 file. Attached a screenshot to make it very clear. On your mac, import that .p12 file and you are good to go (just make sure you have a valid provisioni...
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mongodb group values by multiple fields

...urse the ability to interpolate the variable through $expr using $match to select the matching items in the "join", but the general premise is a "pipeline within a pipeline" where the inner content can be filtered by matches from the parent. Since they are both "pipelines" themselves we can $limit e...
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Where and how is the _ViewStart.cshtml layout file linked?

...wStart.cshtml allows us to write code, we can optionally make our Layout selection logic richer than just a basic property set. For example: we could vary the Layout template that we use depending on what type of device is accessing the site – and have a phone or tablet optimized layout f...
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The EXECUTE permission was denied on the object 'xxxxxxx', database 'zzzzzzz', schema 'dbo'

... Now when you go to the properties of the user and go to User Mapping and select the database where you have added new role,now new role will be visible in the Database role membership for: section For more detail read full article ...
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How to duplicate a whole line in Vim?

...hen you press : in visual mode, it is transformed to '<,'> so it pre-selects the line range the visual selection spanned over. So, in visual mode, :t0 will copy the lines at the beginning. – Benoit Jun 30 '12 at 14:17 ...
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Set environment variables on Mac OS X Lion

... Edit: Here are some instructions for creating a plist file. Open Xcode Select File -> New -> New File... Under Mac OS X select Resources Choose a plist file Follow the rest of the prompts To edit the file, you can Control-click to get a menu and select Add Row. You then can add a key val...
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Shortcut to comment out a block of code with sublime text

... The shortcut to comment out or uncomment the selected text or current line: Windows: Ctrl+/ Mac: Command ⌘+/ Linux: Ctrl+Shift+/ Alternatively, use the menu: Edit > Comment For the block comment you may want to use: Windows: Ctrl+Shift+/ Mac: Command ⌘+Opt...
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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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Is there a replacement for unistd.h for Windows (Visual C)?

...rosoft's <io.h> * Other headers included by <unistd.h> may be selectively processed; * __UNISTD_H_SOURCED__ enables such selective processing. */ #define __UNISTD_H_SOURCED__ 1 #include <io.h> #include <process.h> #include <getopt.h> /* These are defined in stdio.h...
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Why is lazy evaluation useful?

... @Viclib A selection algorithm for finding the top k elements out of n is O(n + k log k). When you implement quicksort in a lazy language, and only evaluate it far enough to determine the first k elements (stopping evaluation after), i...