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Compare JavaScript Array of Objects to Get Min / Max

... The fastest way, in this case, is looping through all elements, and compare it to the highest/lowest value, so far. (Creating an array, invoking array methods is overkill for this simple operation). // There's no real number bigger than plus Infinity var lowest = Number.P...
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How to create a HashMap with two keys (Key-Pair, Value)?

...Map. But I want to access the elements from the HashMap based on Array Index. Something like: 12 Answers ...
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jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class

...m running a Maven project which is also a dynamic web project. I have used all Spring libraries in Maven. I created web.xml , but when I start my Tomcat 7 server I am getting the following message: ...
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What are the minimum margins most printers can handle?

... is only a safe bet on inkjets made for photo printing. Laser printers usually have a much larger margin. However, the question states that they're producing graphics, so optimizing for inkjets might be OK. – Kevin Vermeer Aug 19 '10 at 2:04 ...
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Shell script while read line loop stops after the first line

... The problem is that do_work.sh runs ssh commands and by default ssh reads from stdin which is your input file. As a result, you only see the first line processed, because ssh consumes the rest of the file and your while loop terminates. To preve...
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Basic http file downloading and saving to disk in python?

...URLopener is deprecated. And when used you will get error as below: url_opener = urllib.URLopener() AttributeError: module 'urllib' has no attribute 'URLopener' So, try: import urllib.request urllib.request.urlretrieve(url, filename) ...
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count(*) vs count(column-name) - which is more correct? [duplicate]

... COUNT(*) counts all rows COUNT(column) counts non-NULLs only COUNT(1) is the same as COUNT(*) because 1 is a non-null expressions Your use of COUNT(*) or COUNT(column) should be based on the desired output only. ...
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htaccess redirect to https://www

...er be on and cause a rewrite loop. This is because your application is actually receiving plain HTTP traffic even though the client and the proxy/load balancer are using HTTPS. In these cases, check the X-Forwarded-Proto header instead of the %{HTTPS} variable. This answer shows the appropriate proc...
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How to remove a key from a Python dictionary?

...osentino No, ignoring the return value of a function is not inefficient at all. Quite the opposite – this solution is much faster than the try/except solution if the key does not exist. You might find one or the other easier to read, which is fine. Both are idiomatic Python, so choose whatever ...
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What is the use of having destructor as private?

...e connection being open or a file being written. You could have a "request_delete" method in the class or the manager that will check that condition and it will either delete or decline, and return a status telling you what it did. That's far more flexible that just calling "delete". ...