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How to update column with null value

...ed Oct 6 '10 at 8:11 Daniel VassalloDaniel Vassallo 301k6666 gold badges475475 silver badges424424 bronze badges ...
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How to activate JMX on my JVM for access with jconsole?

...has the default value as true. (Thank you Sun!) To be super clear, especially to those less familiar with JMX nobs, I use: com.sun.management.jmxremote=true Ref: docs.oracle.com/javase/8/docs/technotes/guides/management/… – kevinarpe Nov 15 '15 at 12:28 ...
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bodyParser is deprecated express 4

...of 2014-06-19. app.use(bodyParser()); //Now deprecated You now need to call the methods separately app.use(bodyParser.urlencoded()); app.use(bodyParser.json()); And so on. If you're still getting a warning with urlencoded you need to use app.use(bodyParser.urlencoded({ extended: true }));...
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C# switch statement limitations - why?

...a big if-else statement. Each case must be unique and evaluated statically. The switch statement does a constant time branch regardless of how many cases you have. The if-else statement evaluates each condition until it finds one that is true. In fact, the C# switch statement is n...
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How do I push amended commit to the remote Git repository?

... I actually once pushed with --force and .git repository and got scolded by Linus BIG TIME. In general this will create a lot of problems for other people. A simple answer is "Don't do it". I see others gave the recipe for doing s...
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(13: Permission denied) while connecting to upstream:[nginx]

...sue: sudo cat /var/log/audit/audit.log | grep nginx | grep denied | audit2allow -M mynginx sudo semodule -i mynginx.pp References: http://blog.frag-gustav.de/2013/07/21/nginx-selinux-me-mad/ https://wiki.gentoo.org/wiki/SELinux/Tutorials/Where_to_find_SELinux_permission_denial_details http://w...
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How to resolve “You need to have Ruby and Sass installed and in your PATH for this task to work” War

I am in the process of setting up a new Mac for work. I have installed Grunt & Grunt CLI globally. Then I did a npm install inside a project folder to install all dependencies. ...
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Zoom in on a point (using scale and translate)

...-(zoomPointX * scalechange); offsetY = -(zoomPointY * scalechange); So really you can just pan over down and to the right when you zoom in, by a factor of how much you zoomed in, relative to the point you zoomed at. shar...
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How can I convert an Integer to localized month name in Java?

...as changed in JDK 8, so getMonths method doesn't return correct values for all Locale's anymore: oracle.com/technetwork/java/javase/… – ahaaman Apr 10 '14 at 12:30 ...
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What are the differences between a pointer variable and a reference variable in C++?

...compiling error int &r = *p; <--- likely no compiling error, especially if the nullptr is hidden behind a function call, yet it refers to a non-existent int at address 0 Pointers can iterate over an array; you can use ++ to go to the next item that a pointer is pointing to, and + 4 to go to...