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How to read a single char from the console in Java (as the user types it)?

...ter key required.) On UNIX systems, the 'stty' command can change modes. Now, with respect to Java... see Non blocking console input in Python and Java. Excerpt: If your program must be console based, you have to switch your terminal out of line mode into character mode, and remember to...
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Are there disadvantages to using a generic varchar(255) for all text-based fields?

...ng, this can make the temporary table very large. You may also like to know that this "padding out" behavior means that a string declared with the utf8 character set pads out to three bytes per character even for strings you store with single-byte content (e.g. ascii or latin1 characters). And l...
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What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa

...pping, LINQ will load it successfully and set the column-String to null. Now you change something and call SubmitChanges(). LINQ will generate a SQL query containing "WHERE [title] IS NULL", to make sure the title has not been changed by someone else. LINQ looks up the properties of [title] in the...
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Entity Framework 4 - AddObject vs Attach

... Yep, i gotcha now. I just watched a TechEd vid on EF4 (by Julie Lerman), which showed an example. You might have an entity which you DID NOT retrieve from a query (ie it's diconnected), but you know it exists, therefore you use Attach to p...
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Replace new lines with a comma delimiter with Notepad++?

...Click Edit -> Blank Operations -> EOL to space [All the items should now be in a single line separated by a 'space'] Select any 'space' and do a Replace All (by ',') share | improve this answ...
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Are Javascript arrays sparse?

... actual array would be inefficient. You'll have to ask someone with more knowledge about specific implementations to answer what excatly triggers the shift from dense to sparse, but your example should be perfectly safe. If you want to get a dense array, you should call the constructor with an expl...
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What is cURL in PHP?

...a library that lets you make HTTP requests in PHP. Everything you need to know about it (and most other extensions) can be found in the PHP manual. In order to use PHP's cURL functions you need to install the » libcurl package. PHP requires that you use libcurl 7.0.2-beta or higher. In PH...
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Simplest way to detect a mobile device in PHP

... this answer is now so obsolete. there are many false positives, safari on OSX is detected as a mobile, Chrome on OSX detected as Mobile. – DevZer0 May 25 '16 at 14:21 ...
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Private virtual method in C++

...uals rather than private virtuals. However the private virtual approach is now common enough that confusion of novices is less of a concern." – Zack The Human Apr 1 '12 at 5:37 19 ...
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Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk

...c Beanstalk, I was able to add a container_command to accomplish this, but now I am finding, like @cdmckay, that this causes a deployment failure. If you rebuild your environment it will pick up the client_max_body_size settings as well as long as that instruction is in your config file. ...