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Download old version of package with NuGet

... Tools / NuGet Package Manager / Package Manager Console. Then run the Install-Package command: Install-Package Common.Logging -Version 1.2.0 See the command reference for details. Edit: In order to list versions of a package you can use the Get-Package command with the remote argument and a fil...
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In ASP.NET, when should I use Session.Clear() rather than Session.Abandon()?

...n and the Session_OnEnd event is triggered. Session.Clear() just removes all values (content) from the Object. The session with the same key is still alive. So, if you use Session.Abandon(), you lose that specific session and the user will get a new session key. You could use it for example when ...
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How can I grep for a string that begins with a dash/hyphen?

...rep still has it's own meaning to dashes (by providing options). So you really need to escape it twice (if you prefer not to use the other mentioned answers). The following will/should work grep \\-X grep '\-X' grep "\-X" One way to try out how Bash passes arguments to a script/program is to cre...
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Difference between window.location.href=window.location.href and window.location.reload()

... Also note that location.reload() will also force reload all static content (much like a ctrl+f5 style hard refresh) whereas setting location.href back to href (or pathname or URL) does not, which could be a significant (and unnecessary) difference in load time on some pages. ...
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What is the use case of noop [:] in bash?

... to do. while keep_waiting; do : # busy-wait done The : builtin dates all the way back to the Thompson shell, it was present in Unix v6. : was a label indicator for the Thompson shell's goto statement. The label could be any text, so : doubled up as a comment indicator (if there is no goto comm...
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How can I check if a View exists in a Database?

...oc msdn.microsoft.com/en-us/library/ms190328.aspx - and this one gives you all the object types : msdn.microsoft.com/en-us/library/ms190324.aspx – Simon_Weaver May 26 '16 at 7:04 ...
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Right query to get the current number of connections in a PostgreSQL DB

...ence. Both queries are based on exactly the same data, so they will be equally accurate. share | improve this answer | follow | ...
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Does a favicon have to be 32x32 or 16x16?

...recommendation should be to provide a 32x32 icon, skipping 16x16 entirely. All current browsers and devices support 32x32 icons. The icon will routinely be upscaled to as much as 192x192 depending on the environment (assuming there are no larger sizes available or the system didn't recognize them). ...
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Insert into a MySQL table or update if exists

... I know all of you allude to this, but I want to be explicit for others. If the ID you insert is NOT the PRIMARY KEY or UNIQUE, then this will not work. This didn't initially work for me because my ID was not unique. ...
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Find value in an array

... array.select{} will go through all elements in the array looking those which match the condition. array.find instead will return the first element that match the condition. So preferable use array.find{ |e| e == 3 } then array.select{ |e| e == 3 }.first ...