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How do I add more members to my ENUM-type column in MySQL?
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Most ALTER TABLE commands will completely rewrite the whole table. Is mysql clever enough to not do that with enum ?
– John
Oct 9 '18 at 22:10
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Different types of thread-safe Sets in Java
There seems to be a lot of different implementations and ways to generate thread-safe Sets in Java.
Some examples include
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Storing time-series data, relational or non?
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Definitely Relational. Unlimited flexibility and expansion.
Two corrections, both in concept and application, followed by an elevation.
Correction
It is not "filtering out the un-needed data"; it is selecting only the needed data. Yes, of course, if you have an Ind...
Visually managing MongoDB documents and collections [closed]
I'm using MongoDB in a reporting system and have to delete a whole bunch of test documents. While I don't have too much trouble using the JSON-based command-line tools, it gets extremely tedious to have to keep searching for documents, copy-and-pasting OIDs, etc., especially from a command prompt...
Receiving login prompt using integrated windows authentication
I have a .NET 3.5 application running under IIS 7 on Windows 2003 server and cannot get integrated windows authentication working properly as I continue to get prompted for a login. I have set Windows Authentication to enabled in IIS with all other security types disabled and my application web.conf...
Rounding up to next power of 2
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This thread is still well referenced but this answer (and most others) are highly outdated. CPUs have an instruction to help this (actually already at that time?). From : jameshfisher.com/2018/03/30/round-up-power-2.html uint64_t next_pow2(uint64_t x) { return x == 1 ? 1 : 1<...
Vim and Ctags tips and tricks [closed]
...alled Ctags (to help with C++ development) with my Vim (or rather gVim), and would like to find out your favorite commands, macros, shortcuts, tips that go along with it...
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Calculate the median of a billion numbers
If you have one billion numbers and one hundred computers, what is the best way to locate the median of these numbers?
25 A...
what is difference between success and .done() method of $.ajax
Can anyone help me?
I am not able to understand the difference between success and .done() of $.ajax .
4 Answers
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In what order do static/instance initializer blocks in Java run?
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See section 12.4 and 12.5 of the JLS version 8, they go into gory detail about all of this (12.4 for static and 12.5 for instance variables).
For static initialization (section 12.4):
A class or interface type T will be initialized immediat...