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Why is it impossible to build a compiler that can determine if a C++ function will change the value
...possible function.
Here's an easy example:
void foo() {
if (bar() == 0) this->a = 1;
}
How can a compiler determine, just from looking at that code, whether foo will ever change a? Whether it does or doesn't depends on conditions external to the function, namely the implementation of bar....
Does “git fetch --tags” include “git fetch”?
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Note: starting with git 1.9/2.0 (Q1 2014), git fetch --tags fetches tags in addition to what are fetched by the same command line without the option.
See commit c5a84e9 by Michael Haggerty (mhagger):
Previously, fetch's "--tags" option was considered...
AngularJS with Django - Conflicting template tags
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For Angular 1.0 you should use the $interpolateProvider apis to configure the interpolation symbols: http://docs.angularjs.org/api/ng.$interpolateProvider.
Something like this should do the trick:
myModule.config(function($interpolatePro...
string.Join on a List or other type
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The best way is to upgrade to .NET 4.0 where there is an overload that does what you want:
String.Join<T>(String, IEnumerable<T>)
If you can't upgrade, you can achieve the same effect using Select and ToArray.
return string.Join(",", a.Selec...
nvm keeps “forgetting” node in new terminal session
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+50
Try nvm alias default. For example:
$ nvm alias default 0.12.7
This sets the default node version in your shell. Then verify that th...
Executing periodic actions in Python [duplicate]
I am working on Windows. I want to execute a function foo() every 10 seconds.
9 Answers
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MySQL ON DUPLICATE KEY - last insert id?
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Check this page out: https://web.archive.org/web/20150329004325/https://dev.mysql.com/doc/refman/5.0/en/insert-on-duplicate.html
At the bottom of the page they explain how you can make LAST_INSERT_ID meaningful for updates by passing an expression to that MySQL function.
Fr...
Twitter bootstrap scrollable table
...ave a table on my website. The problem is that this table will have about 400 lines. How can I limit the table's height, and apply scrollbar to it?
This is my code:
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Nullable type as a generic parameter possible?
... Neuron
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answered Oct 16 '08 at 16:04
Greg DeanGreg Dean
25.8k1212 go...
How to empty a list?
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answered Sep 9 '09 at 16:10
fortranfortran
64.4k2222 gold badges122122 silver badges167167 bronze badges
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