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Removing all empty elements from a hash / YAML?
...o |new_hash, (k,v)|
if !v.nil?
new_hash[k] = opts[:recurse] && v.class == Hash ? v.compact(opts) : v
end
new_hash
end
end
end
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How to specify different Debug/Release output directories in QMake .pro file
...ke things even easier to switch around, only define your DESTDIRs conditionally, and then use that value in all your other paths: OBJECTS_DIR = $${DESTDIR}/.obj. Cheers!
– Xavier Holt
Mar 7 '12 at 4:16
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What is the difference between decodeURIComponent and decodeURI?
... URI components that is
any part that lies between separators (; / ? : @ & = + $ , #).
So, in encodeURIComponent these separators are encoded also because they are regarded as text and not special characters.
Now back to the difference between the decode functions, each function decodes stri...
Detect if a NumPy array contains at least one non-numeric value?
...the input could be a single float or numpy.float64 or even something oddball like a zero-dimensional array.
5 Answers
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Shards and replicas in Elasticsearch
...e need to create an index.
When you create an index (an index is automatically created when you index the first document as well) you can define how many shards it will be composed of. If you don't specify a number it will have the default number of shards: 5 primaries. What does it mean?
It mean...
Validate that end date is greater than start date with jQuery
...ate(value) > new Date($(params).val());
}
return isNaN(value) && isNaN($(params).val())
|| (Number(value) > Number($(params).val()));
},'Must be greater than {0}.');
To use it:
$("#EndDate").rules('add', { greaterThan: "#StartDate" });
or
$("form").validate({
...
Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
...he problems begin when you use non booleans that seem like booleans, for example c standard library application entry function, main returns 0 on success, many end up thinking of this 0 as a boolean, when in fact it's an application defined enumeration or user defined value, which callees often expe...
What is time_t ultimately a typedef to?
... define the filesystem based on such implementation-dependent types. For example, the same filesystem might be used on both 32-bit and 64-bit systems, and time_t might change size. Thus, filesystems are need to be defined more exactly ("32-bit signed integer giving number of seconds since the start ...
Generic type conversion FROM string
... o=(object)StringValue; return (T)o; }` as replacement for the Usage sample TConverter.ChangeType<T>(StringValue)
– Matt
Feb 24 '16 at 17:26
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Get Android Device Name [duplicate]
...ODEL only gives the device's model number and not the device's name. For example, GT-I9100 instead of Samsung Galaxy S2. If you want the model's name, you'll have to provide your own list and match it against a combination of android.os.Build.MANUFACTURER + android.os.Build.PRODUCT.
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