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Count, size, length…too many choices in Ruby?

... advise using length (or its alias size) rather than count if you want to know how many elements there are altogether. Regarding ActiveRecord, on the other hand, there are important differences. check out this post: Counting ActiveRecord associations: count, size or length? ...
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MySql: Tinyint (2) vs tinyint(1) - what is the difference?

.... This kind of feature made some sense in the early days of databases, but now it is just legacy. – Denilson Sá Maia Aug 28 '14 at 20:03 2 ...
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Custom sort function in ng-repeat

...certain number depending on which option is selected by the user. I would now like to implement a sort by whatever number is shown. ...
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What is meant by “managed” vs “unmanaged” resources in .NET?

...lightly: an "unmanaged resource" is something the garbage-collector won't know how to clean up after if it's abandoned. A short-lived object's subscription to an event from a long-lived object, for example, would be an unmanaged resource even though both objects are under the control of the garbage-...
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Rails nested form with has_many :through, how to edit attributes of join model?

... Let me know if this was helpful – Arcolye Feb 17 '10 at 7:17 13 ...
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Show an image preview before upload

... Now How to cancel some of images for uploading and then to submit the form ? It'll really helpful to me. – Hardik Sondagar Dec 28 '12 at 12:32 ...
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What are all possible pos tags of NLTK?

... Now I'm curious: what is so mysterious about this? I have never really used NLTK, and finding that answer took me five minutes of googling and searching... Is it really that hidden? – phipsgabler ...
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Should a “static final Logger” be declared in UPPER-CASE?

...pared to are considered constants. The class is not meant to be 'used'. I know always cringe when I see SOME_CLASS.doStuff(). It's just fugly coding. The only problem with this is in the common case of a constant object (String being the common example) which is only meant for comparison, but to avo...
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Is there an advantage to use a Synchronized Method instead of a Synchronized Block?

... I know this is an old question but synchronizing on "this" is considered in some circles to be an anti-pattern. The unintended consequence is that outside of the class someone can lock on an object reference that is equal to "t...
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Can I force a page break in HTML printing?

... Just wanted to put an update. page-break-after is a legacy property now. Official page states This property has been replaced by the break-after property. share | improve this answer ...