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AsyncTask and error handling on Android
...ing." When you get an exception, store the exception (or some other error-string/code) in this variable. When onPostExecute is called, see if this instance-variable is set to some error. If so, show an error message." (From the user "Streets of Boston" groups.google.com/group/android-developers...
Reading a UTF8 CSV file with Python
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The .encode method gets applied to a Unicode string to make a byte-string; but you're calling it on a byte-string instead... the wrong way 'round! Look at the codecs module in the standard library and codecs.open in particular for better general solutions for reading U...
StringBuilder vs String concatenation in toString() in Java
Given the 2 toString() implementations below, which one is preferred:
18 Answers
18
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Select all elements with “data-” attribute without using jQuery
....querySelector(`[data-foo="${i}"]`)
Note even if you don't write value in string it gets converted to string like if I write
<div data-foo=1></div>
and then inspect the element in Chrome developer tool the element will be shown as below
<div data-foo="1"></div>
You can als...
When would you use the Builder Pattern? [closed]
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.NET StringBuilder class is a great example of builder pattern. It is mostly used to create a string in a series of steps. The final result you get on doing ToString() is always a string but the creation of that string varies acco...
How to get current location in Android [duplicate]
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You may also need @Override public void onStatusChanged(String provider, int status, Bundle extras) { } @Override public void onProviderEnabled(String provider) { } @Override public void onProviderDisabled(String provider) { }
– Ege K...
How to get the text node of an element?
... possible iterations. Comparing two small numbers is better than comparing strings of various lengths (time and space considerations). The correct question to ask in this situation is "what kind / type of node do I have?", and not "what name do I have?" developer.mozilla.org/en-US/docs/Web/API/Node/...
How to set input type date's default value to today?
... day;
$('#datePicker').val(today);
});
I would probably put a bit of extra time to see if the month and date are single digits and prefix them with the extra zero...but this should give you an idea.
EDIT: Added check for the extra zero
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How do I check if a string is a number (float)?
What is the best possible way to check if a string can be represented as a number in Python?
33 Answers
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ExpressJS How to structure an application?
...nything that can cleanly be separated out from your app entirely should be extracted into a module either for internal use or publicly published on npm. However, for the medium-sized applications that are the scope here, the overhead of this can add tedium to your workflow without commensurate value...