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Calculate difference between two dates (number of days)?
... in DateTime format? Because I need each date to modify a certain field in tables :) Edit: Got it and posted it as answer below. Thanks
– sys_debug
Oct 30 '11 at 4:16
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
... gcc-4.8 1.53s 1.52s -Os
In some cases you can alleviate the effect of disadvantageous optimizations by asking gcc to optimize for your particular processor (using options -mtune=native or -march=native):
Processor Compiler Time (-O2 -mtune=native) Time (-Os...
Get key by value in dictionary
...he problem can be easily generalised. For example you could have a look up table with unique keys and their corresponding unique values. You can then look up things symmetrically value --> key or key --> value
– pfabri
May 13 at 16:34
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Error Code: 2013. Lost connection to MySQL server during query
...tion to MySQL server during query error when I tried to add an index to a table using MySQL Workbench.
I noticed also that it appears whenever I run long query.
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C++ preprocessor __VA_ARGS__ number of arguments
...
This is actually compiler dependent, and not supported by any standard.
Here however you have a macro implementation that does the count:
#define PP_NARG(...) \
PP_NARG_(__VA_ARGS__,PP_RSEQ_N())
#define PP_NARG_(...) \
...
Bootstrap control with multiple “data-toggle”
...e has left the button. This is very annoying if you e.g. have buttons in a table on every row, as they might block the button above/below. Only way to hide it is to click somewhere outside of the tooltip.
– hug
Sep 28 '16 at 20:36
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How to find list of possible words from a letter matrix [Boggle Solver]
Lately I have been playing a game on my iPhone called Scramble. Some of you may know this game as Boggle. Essentially, when the game starts you get a matrix of letters like so:
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What does “|=” mean? (pipe equal operator)
... answer help you more about |= kind of binary operators.
I am writing table for bitwise operators:
Following are valid:
----------------------------------------------------------------------------------------
Operator Description Example
------------------...
Heroku deployment error H10 (App crashed)
...
For me the issue was that I created a Model/Table called Mail. This worked fine on local, but caused a Job conflict on Heroku since it thought I was trying to use ActionMailer for this model. Running the heroku console gave me the verbose error that allowed me to pinpo...
Lodash - difference between .extend() / .assign() and .merge()
...d try to map child object properties from source to destination. So essentially we merge object hierarchy from source to destination. While for extend/assign, it's simple one level copy of properties from source to destination.
Here's simple JSBin that would make this crystal clear:
http://jsbin.co...