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Checking for empty arrays: count vs empty
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empty() is too forgiving of errors. I just spent 2 hours debugging a subclass that tested empty() on a private member variable of its superclass (the scope of the superclass's member variable SHOULD have been protected, but empty() returned no errors ...
What does $NON-NLS-1$ mean?
... compiler has the ability to flag non-externalized strings as a warning or error, in order to facilitate enablement of National Language Support (NLS). EMF-generated code does not use hard coded strings for messages that the user will see; however, string literals do appear frequently, for example, ...
Pass all variables from one shell script to another?
...swered Mar 19 '12 at 14:34
FatalErrorFatalError
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What is href=“#” and why is it used?
...ick="some_function();"> or another inevitably ends up with a javascript error, and an anchor with an onclick javascript error always ends up following its href. Normally this ends up being an annoying jump to the top of the page, but in the case of sites using <base>, <a href="#"> is...
How to model type-safe enum types?
...y, Long] and add a value say Mon to it the compiler throws an invalid type error. Expected Weekday.Weekday found Value? Why does this happen?
– Sohaib
Jun 14 '15 at 18:30
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Interfaces — What's the point?
...out.
– Jamie Kitson
Jul 7 '16 at 17:05
4
Interfaces don't really come into their right until you ...
How to create a release signed apk file using Gradle?
...se properties ("" for example) the signed *-release.apk is not created, no error is displayed and your are left completely puzzled with just the *-release-unsigned.apk in your PROJECT_NAME/build/apk/ directory. Man... :/
– vizZ
Dec 2 '13 at 16:40
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import module from string variable
...om a string, and get the same behavior as just import. And try/except the error case, too. :)
pipmodules = ['pycurl', 'ansible', 'bad_module_no_beer']
for module in pipmodules:
try:
# because we want to import using a variable, do it this way
module_obj = __import__(m...
What is the best django model field to use to represent a US dollar amount?
...ld type to use? I need to be able to have the user enter this value (with error checking, only want a number accurate to cents), format it for output to users in different places, and use it to calculate other numbers.
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Returning null as an int permitted with ternary operator but not if statement
...ike this to verify this (true ? null : null) and you will get the compiler error.
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