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Hibernate: Automatically creating/updating the db tables based on entity classes
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how can I make hibernate to create tables only if they didn't exists?
– Aman Nagarkoti
Feb 16 '17 at 4:17
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Count lines of code in all java classes in Android Studio
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Go to
https://plugins.jetbrains.com/idea/plugin/4509-statistic
and install the latest version
To install
Run Android Studio
From the menu bar, select File-->Settings
Under IDE Settings, click Plugins, and then click Install plugin from disk
Navigate to th...
“for” vs “each” in Ruby
...<< Proc.new { puts c }
end
=> ["one", "two", "three"]
loop1[1].call
two
=> nil
loop2[1].call
three
=> nil
source: http://paulphilippov.com/articles/enumerable-each-vs-for-loops-in-ruby
for more clear: http://www.ruby-forum.com/topic/179264#784884
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IEnumerable and Recursion using yield return
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You need to yield each of the items yielded by the recursive call:
public static IEnumerable<Control> GetDeepControlsByType<T>(this Control control)
{
foreach(Control c in control.Controls)
{
if (c is T)
{
yield return c;
}
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What is the proper way to comment functions in Python?
...ple assignment at the top level of a module, class, or __init__ method are called "attribute docstrings".
String literals occurring immediately after another docstring are called "additional docstrings".
Please see PEP 258 , "Docutils Design Specification" [2] , for a detailed description ...
Best way to list files in Java, sorted by Date Modified?
... want to sort it such that the oldest files are first. My solution was to call File.listFiles and just resort the list based on File.lastModified, but I was wondering if there was a better way.
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What is the simplest way to get indented XML with line breaks from XmlDocument?
...ty already has everything nicely indented with line breaks. However, if I call LoadXml on some very "compressed" XML (no line breaks or indention) then the output of OuterXml stays that way. So ...
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Is there a good reason to use upper case for SQL keywords? [closed]
...t's just a matter of style, probably originating in the days when editors didn't do code colouring.
I used to prefer all upper case, but I'm now leaning towards all lower.
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Hiding elements in responsive layout?
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Extra small devices
Phones (<768px) (Class names : .visible-xs-block, hidden-xs)
Small devices
Tablets (≥768px) (Class names : .visible-sm-block, hidden-sm)
Medium devices
Desktops (≥992px) (Class names : .visible-md-block, hidden-md)
Large devices
Desktops (≥1200px) (Class names : .vis...
Which is preferred: Nullable.HasValue or Nullable != null?
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The compiler replaces null comparisons with a call to HasValue, so there is no real difference. Just do whichever is more readable/makes more sense to you and your colleagues.
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