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(413) Request Entity Too Large | uploadReadAheadSize

...cture. As long as the file size of this picture is less then approx. 48KB, all goes well. But if I'm trying to upload a larger picture, the WCF service returns an error: (413) Request Entity Too Large. So ofcourse I've spent 3 hours Googling the error message and every topic I've seen about this s...
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Why use a ReentrantLock if one can use synchronized(this)?

...time-out. ReentrantLock also has support for configurable fairness policy, allowing more flexible thread scheduling. The constructor for this class accepts an optional fairness parameter. When set true, under contention, locks favor granting access to the longest-waiting thread. Otherwise this lock...
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How can I increment a char?

...and C. How can I increment a char? In Java or C, chars and ints are practically interchangeable, and in certain loops, it's very useful to me to be able to do increment chars, and index arrays by chars. ...
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Maven project version inheritance - do I have to specify the parent version?

...most cases. Moreover, this parent's version declaration is bumped automatically by Maven Release Plugin, so - in fact - it's not a problem that you have version in 2 places as long as you use Maven Release Plugin for releasing or just bumping versions. Notice that there are some cases when this beh...
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capturing self strongly in this block is likely to lead to a retain cycle

... Good answer, but I take small issue with you saying: “you can't refer to self or properties on self from within a block that will be strongly retained by self.” This is not strictly true. Please see my answer below. Better to say, “you must take...
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Extracting bits with a single multiplication

..... A multiplication is a bunch of shift-and-add operations. The key is to allow overflow to "shift away" the bits we don't need and put the ones we want in the right place. Multiplication by 4 (00000100) would shift everything left by 2 and get you to a00b0000 . To get the b to move up we need to...
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URL encoding the space character: + or %20?

...he server in an HTTP request message using method GET or POST, or, historically, via email. The encoding used by default is based on a very early version of the general URI percent-encoding rules, with a number of modifications such as newline normalization and replacing spaces with "+" instead of "...
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Bash script to receive and repass quoted parameters

...at given the output you want, you don't need the extra level of quoting at all. I.E. just call the above script like: ./test.sh 1 2 "3 4" share | improve this answer | foll...
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Return 0 if field is null in MySQL

...ou show why Kevin's example in the comment is wrong and what it should actually be? – Michael Aug 10 '16 at 13:44 than...
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How do I negate a test with regular expressions in a bash script?

...ate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in: ...