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Print variables in hexadecimal or decimal format
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if you are using DDD(data display debuger, a GUI wrapper for a debugger like GDB), you can use the hex format also in graphic display by doing graph disp /x val1. Beware you should put space before /x. otherwise it doesn't w...
C++11 reverse range-based for-loop
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Hm, if you put this in a header, you're using namespace std in a header, which is not a good idea. Or am I missing something?
– estan
Oct 21 '17 at 9:46
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Query to count the number of tables I have in MySQL
...ne query to count the number of tables in my database. Is that possible? If so, what is the query?
12 Answers
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Turning off some legends in a ggplot
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Note to self: if you have a geom_linerange() and the legend is showing a cross instead of a line, insert show.legend=FALSE inside the geom_linerange().
– PatrickT
Sep 30 '17 at 8:51
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Including JavaScript class definition from another file in Node.js
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what if, User had some input parameters, like module.exports = function User(data). Then the var user = new User(); whould have been changed to var user = new User(data);?
– C graphics
Jan 8 ...
Angular.js programmatically setting a form field to dirty
...have to manually set $dirty to true and $pristine to false for the field. If you want the classes to appear on your input, then you will have to manually add ng-dirty and remove ng-pristine classes from the element. You can use $setDirty() on the form level to do all of this on the form itself, bu...
os.path.dirname(__file__) returns empty
...lename into components without taking into account the current directory. If you want to also consider the current directory, you have to do so explicitly.
To get the dirname of the absolute path, use
os.path.dirname(os.path.abspath(__file__))
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What is the most useful script you've written for everyday life? [closed]
...programs people here have written that helps one with his or her everyday life (aka not work related).
78 Answers
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Difference between EXISTS and IN in SQL?
What is the difference between the EXISTS and IN clause in SQL?
21 Answers
21
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Convert XML to JSON (and back) using Javascript
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I found that if you start from json-xml-json, this library works well, but if you want xml-json-xml there is a problem with reversibility since it adds metadata xml elements like <o> and <e>
– vishr
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