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How do I check if a file exists in Java?
...ng an NFS file system there is an issue with stale file handles: bugs.java.com/bugdatabase/view_bug.do?bug_id=5003595 It's kind of obscure, but has been the cause of some frustrating bugs in production code before.
– CAW
Mar 17 '17 at 22:17
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Coarse-grained vs fine-grained
...d broken into feet.
Coarse-grained systems consist of
fewer, larger components than
fine-grained systems; a coarse-grained
description of a system regards large
subcomponents while a fine-grained
description regards smaller components
of which the larger ones are composed.
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How to access java-classes in the default-package?
...se outermost lexically enclosing type is a member of a named package, or a compile-time error occurs.
Andreas points out in the comments:
"why is [the default package] there in the first place? design error?"
No, it's deliberate.
JLS 7.4.2. Unnamed Packages says: "Unnamed packages are provided ...
jQuery - select all text from a textarea
... this fails for me in Chrome, working solution is: stackoverflow.com/a/6201757/126600
– zack
Sep 5 '12 at 11:11
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What is the size of ActionBar in pixels?
...use
?android:attr/actionBarSize
or if you're an ActionBarSherlock or AppCompat user, use this
?attr/actionBarSize
If you need this value at runtime, use this
final TypedArray styledAttributes = getContext().getTheme().obtainStyledAttributes(
new int[] { android.R.attr.acti...
How to get month name from Calendar
...nths method doesn't return correct values for all Locale's anymore: oracle.com/technetwork/java/javase/…
– ahaaman
Apr 10 '14 at 12:32
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Heroku deployment error H10 (App crashed)
I have a RoR app working on my local computer, but when I send it to heroku, it crashes. The error log gives an error H10 & says:
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Is there any difference between “foo is None” and “foo == None”?
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is always returns True if it compares the same object instance
Whereas == is ultimately determined by the __eq__() method
i.e.
>>> class Foo(object):
def __eq__(self, other):
return True
>>> f = Foo()
>>>...
How do I format XML in Notepad++?
...f you don't have a Plugin Manager plugin, you can get it from here: github.com/bruderstein/nppPluginManager/releases
– Chris W
Jan 18 '17 at 21:50
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Get the Highlighted/Selected text
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