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How to save a BufferedImage as a File

... that are installed and any of these names may be used as a format name to select an image writer. For a full and practical example, one can refer to Oracle's SaveImage.java example. share | improv...
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How to differ sessions in browser-tabs?

...of accounts stored in cookies, google mail is just storing all cookies and select one according to the url. – Mhmd Oct 25 '14 at 0:57 5 ...
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Make Div overlay ENTIRE page (not just viewport)?

...having with this (which is used by many a plug in) is when you click a <select> element in iOS it moves the entire viewport and basically breaks everything. fixed elements move, things that shouldn't scroll scroll, etc. – billynoah May 27 '16 at 22:00 ...
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iOS UIImagePickerController result image orientation after upload

I am testing my iPhone application on an iOS 3.1.3 iPhone. I am selecting/capturing an image using a UIImagePickerController : ...
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Is “IF” expensive?

...nation on Cell Performance. Another fun one is this post about branchless selections on the Real Time Collision Detection Blog. In addition to the excellent answers already posted in response to this question, I'd like to put in a reminder that although "if" statements are considered expensive low...
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Querying DynamoDB by date

... // More code here } }); Essentially your query looks like: SELECT * FROM TABLE WHERE DataID = "some_id" AND Created > timestamp; The secondary Index will increase the read/write capacity units required so you need to consider that. It still is a lot better than doing a scan, whi...
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Nested attributes unpermitted parameters

...4, I was able to get it working by structuring my fields_for as: <%= f.select :tag_ids, Tag.all.collect {|t| [t.name, t.id]}, {}, :multiple => true %> Then in my controller I have my strong params as: private def post_params params.require(:post).permit(:id, :title, :content, :publi...
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Combining two expressions (Expression)

... .ReplacePar("parAdrZ", ExprAdres("Z").Body); return UBEZPIECZONY.Select((Expression<Func<UBEZPIECZONY, UbezpExt>>)expr2); } } And this is the subexpression building code: public static Expression<Func<UBEZPIECZONY, UBEZP_ADRES>> ExprAdres(string sTyp) { r...
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Can I protect against SQL injection by escaping single-quote and surrounding user input with single-

...aping quote will be trimmed (in the 21st character). Then the SQL sSQL = "select * from USERS where username = '" + username + "' and password = '" + password + "'" combined with the aforementioned malformed username will result in the password already being outside the quotes, and will just con...
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Undo git reset --hard with uncommitted files in the staging area

... solution. In case of PHPstorm I just had to right click the directory and select show local history and then revert to the last valid state. – Shalom Sam Sep 22 '14 at 4:44 ...