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Declaring variables inside or outside of a loop

...l efficiencies, say about 97% of the time: premature optimization is the root of all evil" i.e) situation where a programmer lets performance considerations affect the design of a piece of code. This can result in a design that is not as clean as it could have been or code that is incorrect, bec...
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How to convert byte array to string and vice versa?

... The root problem is (I think) that you are unwittingly using a character set for which: bytes != encode(decode(bytes)) in some cases. UTF-8 is an example of such a character set. Specifically, certain sequences of bytes are...
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Where can I find the Java SDK in Linux after installing it?

... "find / -name 'javac'" is less typing, but requires admin (root) privilege or you will get a lot permission denied messages. – Steven the Easily Amused Sep 30 '16 at 22:54 ...
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Is there a way of making strings file-path safe in c#?

...d not allowed for filenames. There are other names not allowed only at the root folder. Names that end in a period are also not allowed. Second, there are a variety of length limitations. Read the full list for NTFS here. Third, you can attach to filesystems that have other limitations. For exampl...
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How to force an entire layout View refresh?

...EditText should be visible then in ScrollView, but I was unable to refresh root view to take effect. I solved my problem, when I need to refresh the view so I changed the ScrollView visibility to GONE and then again set it to VISIBLE to take effect and it worked for me. This is not the exact soluti...
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Why so red? IntelliJ seems to think every declaration/method cannot be found/resolved

...want to try a maven->force reimport from within intellij on the project root share | improve this answer | follow | ...
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Why is SELECT * considered harmful?

...tage of using * is that in some situations it can take better advantage of MySQL's cache systems. If you're running large numbers of similar select queries that request different column names (select A where X,select B where X,...) using a select * where X will allow the cache to handle a larger num...
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Solution to INSTALL_FAILED_INSUFFICIENT_STORAGE error on Android [closed]

... @Msmit1993, you don't have access to the data directory on a non-rooted device. Having SDK and ADB does not matter. – Stan Jun 5 '14 at 18:14 4 ...
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What is Domain Driven Design (DDD)? [closed]

... that two customers with the same name are not the same customer Aggregate roots are objects that own other objects. This is a complex concept and works on the basis that there are some objects that don't make sense unless they have an owner. For example, an 'Order Line' object doesn't make sense ...
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Where is Java Installed on Mac OS X?

... about inaccessible directories, get rid of the messages rather than using root privs unnecessarily. Using sudo all the time is a bad habit. Redirect stderr to /dev/null, like this: find / -name java 2> /dev/null – Walter Underwood Sep 26 '13 at 15:29 ...