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horizontal line and right way to code it in html, css
... break. In HTML 4.01, the
<hr> tag represents a horizontal rule.
http://www.w3schools.com/tags/tag_hr.asp
So after definition, I would prefer <hr>
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What are the -Xms and -Xmx parameters when starting JVM?
...ady been addressed above.
Just adding part of the default values.
As per http://docs.oracle.com/cd/E13150_01/jrockit_jvm/jrockit/jrdocs/refman/optionX.html
The default value of Xmx will depend on platform and amount of memory available in the system.
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How to delete migration files in Rails 3
...estroys your table or columns.
Another great reference for migrations is: http://guides.rubyonrails.org/migrations.html
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The difference between fork(), vfork(), exec() and clone()
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Is it possible to forward-declare a function in Python?
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in short, if you have if __name__ == '__main__': main() as the last line in your script everything will be just fine!
– Filipe Pina
Aug 3 '11 at 12:24
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java get file size efficiently
...m access is one of the major responsibilities of an OS. faqs.org/docs/linux_admin/buffer-cache.html To get good benchmarking results, the cache should be cleared before each run.
– z0r
Jul 6 '12 at 0:16
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Pick a random element from an array
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Swift 4.2 and above
The new recommended approach is a built-in method on the Collection protocol: randomElement(). It returns an optional to avoid the empty case I assumed against previously.
let array = ["Frodo", "Sam", "Wise", "Gamgee"]
print(array.ran...
Pointers in Python?
...putations, possibilities would include:
class Form(object):
...
def __getattr__(self, name):
return self.data[name]
and
class Form(object):
...
@property
def data(self):
return self.__dict__
The presence of .value suggests picking the first form, plus a kind-of-use...
Redirect stdout to a file in Python?
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@mgold or you can use sys.stdout = sys.__stdout__ to get it back.
– clemtoy
Jul 9 '15 at 12:52
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warning: [options] bootstrap class path not set in conjunction with -source 1.5
...options. e.g.
$ javac -source 1.5 -Xlint:-options example.java
sources: https://blogs.oracle.com/darcy/entry/bootclasspath_older_source
and
http://docs.oracle.com/javase/7/docs/technotes/tools/solaris/javac.html#xlintwarnings
Warnings That Can Be Enabled or Disabled with -Xlint Option
Enable ...