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Base64 encoding and decoding in client-side Javascript
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Some browsers such as Firefox, Chrome, Safari, Opera and IE10+ can handle Base64 natively. Take a look at this Stackoverflow question. It's using btoa() and atob() functions.
For server-side JavaScript (Node), you can use Buffers to decode.
If y...
Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0
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Update 3:
This warning can also be triggered by labels that have numberOfLines set to anything but 1 if your deployment target is set to 7.1. This is completely reproducible with new single-view project.
Steps to Reproduce:
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How to validate a url in Python? (Malformed or not)
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Actually, I think this is the best way.
from django.core.validators import URLValidator
from django.core.exceptions import ValidationError
val = URLValidator(verify_exists=False)
try:
val('http://www.google.com')
except Val...
Many-to-many relationship with the same model in rails?
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For reference: the Rails documentation on the subject. There's a section called “Many-to-many”, and of course the documentation on the class methods themselves.
Simplest scenario, uni-directional, no additional fields
This is the most compact in code.
I'll start out with this basic schema fo...
Use 'class' or 'typename' for template parameters? [duplicate]
...about this here. I thought it was interesting.
Summary: Stroustrup originally used class to specify types in templates to avoid introducing a new keyword. Some in the committee worried that this overloading of the keyword led to confusion. Later, the committee introduced a new keyword typename to ...
How to determine when a Git branch was created?
... master`
If you’d rather see it in context using gitk, then use
gitk --all --select-commit=`git merge-base foo master`
(where foo is the name of the branch you are looking for.)
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impro...
How to convert Milliseconds to “X mins, x seconds” in Java?
... else its simplicity! Since we are dealing with times and durations I typically use Joda. An example if you have two DateTimes, start and end respectively: Duration dur = new Duration(start, end); long millis = dur.getMillis();
– TechTrip
Apr 2 '12 at 14:42
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List vs tuple, when to use each? [duplicate]
...issue mentioned in the other answers. Mutability has teeth to it (you actually can't change a tuple), while homogeneity is not enforced, and so seems to be a much less interesting distinction.
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Convert camelCaseText to Sentence Case Text
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var text = 'helloThereMister';
var result = text.replace( /([A-Z])/g, " $1" );
var finalResult = result.charAt(0).toUpperCase() + result.slice(1);
console.log(finalResult);
capitalize the first letter - as an example.
Note the space in " $1".
EDIT: added an e...
Table name as variable
I am trying to execute this query:
10 Answers
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