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Add a tooltip to a div

...ver {background-color:#999; color: White;} .hovertext {position:absolute;z-index:1000;border:1px solid #ffd971;background-color:#fffdce;padding:11px;width:150px;font-size: 0.75em;} For a more in-depth discussion, see my post: A simple Formatted ToolTip text on hover ...
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$(document).ready equivalent without jQuery

...ent if ( document.addEventListener ) { // Use the handy event callback document.addEventListener( "DOMContentLoaded", function(){ document.removeEventListener( "DOMContentLoaded", arguments.callee, false ); jQuery.ready(); }, false ); // If IE...
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How do I know if a generator is empty from the start?

..., there is no simple way. There are a whole lot of work-arounds. There really shouldn't be a simple way, because of what generators are: a way to output a sequence of values without holding the sequence in memory. So there's no backward traversal. You could write a has_next function or maybe eve...
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Abort makefile if variable not set

... an auxiliary function for that: # Check that given variables are set and all have non-empty values, # die with an error otherwise. # # Params: # 1. Variable name(s) to test. # 2. (optional) Error message to print. check_defined = \ $(strip $(foreach 1,$1, \ $(call __check_defined,$...
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Wrapping a C library in Python: C, Cython or ctypes?

I want to call a C library from a Python application. I don't want to wrap the whole API, only the functions and datatypes that are relevant to my case. As I see it, I have three choices: ...
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Freeze screen in chrome debugger / DevTools panel for popover inspection?

I'm using the chrome inspector to try and analyze the z-index of a twitter bootstrap popover, and finding it extremely frustrating... ...
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What is your preferred style for naming variables in R? [closed]

... Good previous answers so just a little to add here: underscores are really annoying for ESS users; given that ESS is pretty widely used you won't see many underscores in code authored by ESS users (and that set includes a bunch of R Core as well as CRAN authors, excptions like Hadley notwithsta...
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INSERT INTO…SELECT for all MySQL columns

... syntax, it looks like this (leave out the column list to implicitly mean "all") INSERT INTO this_table_archive SELECT * FROM this_table WHERE entry_date < '2011-01-01 00:00:00' For avoiding primary key errors if you already have data in the archive table INSERT INTO this_table_archive SELECT...
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Case insensitive Query with Spring CrudRepository

...ow of any way we could modify this behaviour, say make it LOWER? My db has indexing based on lower case – Sudip Bhandari Aug 30 '18 at 6:47 ...
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printf format specifiers for uint32_t and size_t

...ng size_t to be the same as unsigned long (possibly 64 bits) when it's actually an unsigned int (32 bits). Try using %zu in both cases. I'm not entirely certain though. share | improve this answer ...