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How can I make SQL case sensitive string comparison on MySQL?
...hat if you search with col_name LIKE 'a%', you get all column values that start with A or a. To make this search case sensitive, make sure that one of the operands has a case sensitive or binary collation. For example, if you are comparing a column and a string that both have the latin1 character s...
What is the maximum float in Python?
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It seems sys.float_info is available starting from v2.6. How about v2.3-5?
– Aleksei Fedotov
Jan 23 '15 at 13:40
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git discard all changes and pull from upstream
...po, which is master, and I completely messed it up, so I basically need to start over from the upstream. I think init will do the job, but is there an easier way?
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Is it bad practice to make a setter return “this”?
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Maybe not to start with, but a setter doesn't necessarily keep its original purpose. What used to be a variable might change into a state that encompasses several variables or have other side effects. Some setters might return a previou...
Difference between object and class in Scala
...he Internet and have noticed in some examples an object is declared at the start of the example.
13 Answers
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Saving vim macros
...and paste the contents, then the register will be around the next time you start vim.
The format is something like:
let @q = 'macro contents'
Be careful of quotes, though. They would have to be escaped properly.
So to save a macro you can do:
From normal mode: qq
enter whatever commands
From ...
Difference between const & const volatile
...I'd have thought that volatile variables are usually what happens when you start messing with hardware, not with other threads. Where I've seen const volatile used is in things like memory-mapped status registers or the like.
– JUST MY correct OPINION
Jan 4 '1...
Determining if a number is either a multiple of ten or within a particular set of ranges
...inner. For a more general, algorithm-like solution, you can take a list of starting and ending values and check if a passed value is within one of them:
template<typename It, typename Elem>
bool in_any_interval(It first, It last, const Elem &val) {
return std::any_of(first, last, [&am...
How to recover a dropped stash in Git?
...ome old commit message
Note: The commit message will only be in this form (starting with "WIP on") if you did not supply a message when you did git stash.
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Using Emacs as an IDE
...retty simple to use, no need to customize your init file.
You just need to start emacs in daemon mode;
emacs --daemon
This will create an emacs server, then you can connect it either from terminal, or from gui. I'd also recommend to create some aliases to make it easy to call.
alias ec="emacscl...