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Java: Difference between the setPreferredSize() and setSize() methods in components

...he component's parent is using a layout manager; the places this will typically have an effect would be on top-level components (JFrames and JWindows) and things that are inside of scrolled panes. You also must call setSize() if you've got components inside a parent without a layout manager. Genera...
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Getting number of elements in an iterator in Python

...ve an answer, this answer avoids instantiation of a list, and it is empirically faster by a constant than the reduce method listed above. – Phillip Nordwall Aug 2 '12 at 15:27 5 ...
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In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?

... While TIMESTAMP looks similar when you fetch it from the database, it's really a just a front for a unix timestamp. Its valid range goes from 1970 to 2038. The difference here, aside from the various built-in functions within the database engine, is storage space. Because DATETIME stores every digi...
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Creating stored procedure and SQLite?

...than in a separate SQL engine process. So it makes more sense to implement all your business logic including what would have been SP code in the host language. You can however extend SQLite with your own user defined functions in the host language (PHP, Python, Perl, C#, Javascript, Ruby etc). You ...
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Creating my own Iterators

... /EDIT: I see, an own iterator is actually necessary here (I misread the question first). Still, I'm letting the code below stand because it can be useful in similar circumstances. Is an own iterator actually necessary here? Perhaps it's sufficient to forward ...
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What is the default form HTTP method?

...faults to the base URI of the document" enctype: "The default encoding for all forms is `application/x-www-form-urlencoded'." <!ATTLIST FORM ACTION CDATA #IMPLIED METHOD (%HTTP-Method) GET ENCTYPE %Content-Type; "application/x-www-form-urlencoded" ...
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Using jQuery how to get click coordinates on the target element

... Thanks, because I personally confused with offset() and position(), for anyone need further clarification may read stackoverflow.com/questions/3202008/… for convenience sake – simongcc May 9 '14 at 3:24 ...
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How to commit no change and new message?

... There's rarely a good reason to do this, but the parameter is --allow-empty for empty commits (no files changed), in contrast to --allow-empty-message for empty commit messages. You can also read more by typing git help commit or visiting the online documentation. While the tree object (w...
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Which is generally best to use — StringComparison.OrdinalIgnoreCase or StringComparison.InvariantCul

...onsider using a new set of String overloads in Microsoft .NET 2.0. Specifically, data that is designed to be culture-agnostic and linguistically irrelevant should begin specifying overloads using either the StringComparison.Ordinal or StringComparison.OrdinalIgnoreCase members of the new StringCompa...
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Change timestamps while rebasing git branch

...mps of the commits to be in an mixed up order. I would rather have them be all be today with only seconds in between. 4 Ans...