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Is JavaScript an untyped language?
...ynamically, weakly typed" language, but some even say "untyped"? Which is it really?
7 Answers
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No tests found with test runner 'JUnit 4'
...st happened to me. Rebuilding or restarting Eclipse didn't help.
I solved it by renaming one of the test methods to start with "test..." (JUnit3 style) and then all tests are found. I renamed it back to what it was previously, and it still works.
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insert vs emplace vs operator[] in c++ map
... I will start explaining those.
The operator[] is a find-or-add operator. It will try to find an element with the given key inside the map, and if it exists it will return a reference to the stored value. If it does not, it will create a new element inserted in place with default initialization and...
How to align checkboxes and their labels consistently cross-browsers
... baseline on the input ), they're completely off in Firefox and IE. Fix it in Firefox, and Safari and IE are inevitably messed up. I waste time on this every time I code a form.
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How to know if an object has an attribute in Python
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Try hasattr():
if hasattr(a, 'property'):
a.property
EDIT: See zweiterlinde's answer below, who offers good advice about asking forgiveness! A very pythonic approach!
The general practice in python is that, if the property is likely to be there most of the time, simply call it ...
Error handling in C code
What do you consider "best practice" when it comes to error handling errors in a consistent way in a C library.
22 Answers
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ES6 class variable alternatives
...he syntax:
varName = value
Inside a class declaration/expression body and it will define a variable. Hopefully in a few months/weeks I'll be able to post an update.
Update: Chrome 74 now ships with this syntax working.
The notes in the ES wiki for the proposal in ES6 (maximally minimal classes) no...
How to Sync iPhone Core Data with web server, and then push to other devices? [closed]
...iPad or a Mac. There are not many (if any at all) sync frameworks for use with Core Data on iOS. However, I have been thinking about the following concept:
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Can you nest html forms?
Is it possible to nest html forms like this
20 Answers
20
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Find the last element of an array while using a foreach loop in PHP
I am writing a SQL query creator using some parameters. In Java, it's very easy to detect the last element of an array from inside the for loop by just checking the current array position with the array length.
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