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What are the -Xms and -Xmx parameters when starting JVM?

... 1432 The flag Xmx specifies the maximum memory allocation pool for a Java virtual machine (JVM), whi...
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NGinx Default public www location?

...ed/default and find server { listen 80 default; server_name localhost; access_log /var/log/nginx/localhost.access.log; location / { root /var/www/nginx-default; index index.html index.htm; } The root is the default...
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Error in plot.new() : figure margins too large in R

I'm new to R but I've made numerous correlation plots with smaller data sets. However, when I try to plot a large dataset (2gb+), I can produce the plot just fine, but the legend doesn't show up. Any advice? or alternatives? ...
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autolayout - make height of view relative to half superview height

...youtConstraint constraintsWithVisualFormat:@"V:[topLayoutGuide]-0-[_view1]-0-[_view2(==_view1)]-0-[bottomLayoutGuide]" options:0 metrics:nil views:viewsDict]]; ...
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Could I change my name and surname in all previous commits?

... | edited Jun 1 '14 at 14:32 answered May 9 '14 at 12:33 us...
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Should Github be used as a CDN for javascript libraries? [closed]

Serving javascript libraries from a CDN instead of your own server comes with tremendous advantages. Less work for your server, possibility for the CDN to have a copy closer to the user than your server, but most importantly a good chance that your user's browser already has it cached from that URL...
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How to select last two characters of a string

I need to select last two characters from the variable, whether it is digit or letters. 9 Answers ...
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jQuery UI Sortable, then write order into a database

...elements' positions accordingly. For example, in PHP: $i = 0; foreach ($_POST['item'] as $value) { // Execute statement: // UPDATE [Table] SET [Position] = $i WHERE [EntityId] = $value $i++; } Example on jsFiddle. ...
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what is the difference between 'transform' and 'fit_transform' in sklearn

In the sklearn-python toolbox, there are two functions transform and fit_transform about sklearn.decomposition.RandomizedPCA . The description of two functions are as follows ...
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NoSQL Use Case Scenarios or WHEN to use NoSQL [closed]

With all the hype it seems really hard to find reliable information on when to use this. So I pose the following questions, and I'm sorry if these are really dumb questions in advance: ...