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How do you convert a JavaScript date to UTC?
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var isoDate = new Date('yourdatehere').toISOString();
For Timezone work, moment.js and moment.js timezone are really invaluable tools...especially for navigating timezones between client and server javascript.
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How to convert Nonetype to int or string?
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What is the maximum length of a Push Notification alert text?
... iOS 8 and later, the maximum size allowed for a notification payload is 2 kilobytes; Apple Push Notification Service refuses any notification that exceeds this limit. (Prior to iOS 8 and in OS X, the maximum payload size is 256 bytes.)
This is what I could find doing some experiments.
Alerts: P...
Where do I put image files, css, js, etc. in Codeigniter?
...here is it acceptable to put css folders and image file folders? I was thinking inside the view folder? However the controller always reroutes the path to the base url so I have to specify the path in the .html file to where it sits, which is redundant.
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PostgreSQL LIKE query performance variations
I have been seeing quite a large variation in response times regarding LIKE queries to a particular table in my database. Sometimes I will get results within 200-400 ms (very acceptable) but other times it might take as much as 30 seconds to return results.
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How to print a string in fixed width?
...11 - This answer is very old. It is still valid and correct, but people looking at this should prefer the new format syntax.
You can use string formatting like this:
>>> print '%5s' % 'aa'
aa
>>> print '%5s' % 'aaa'
aaa
>>> print '%5s' % 'aaaa'
aaaa
>>> pr...
How to debug apk signed for release?
I have an apk which I've signed and uploaded to Android Market, and installed on my phone. I would like to debug this release apk (by means of Eclipse) whilst it is running on my phone. I have done this before (and remember it being with one of the Android development tools; perhaps Dalvik Debug Mon...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
... to create an AlertDialog which requires a Context as a parameter. This works as expected if I use:
28 Answers
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C# Float expression: strange behavior when casting the result float to int
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First of all, I assume that you know that 6.2f * 10 is not exactly 62 due to floating point rounding (it's actually the value 61.99999809265137 when expressed as a double) and that your question is only about why two seemingly identical computations result ...
How can I visualize per-character differences in a unified diff file?
...t I cannot see which characters in the changed lines differ. Does anyone know a way (in Vim, or some other free software that runs on Ubuntu) to visualize per-character differences?
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