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What techniques can be used to speed up C++ compilation times?
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Language techniques
Pimpl Idiom
Take a look at the Pimpl idiom here, and here, also known as an opaque pointer or handle classes. Not only does it speed up compilation, it also increases exception safety when combined with a non-throwing swap function. The Pimpl idiom lets you reduce the depen...
Why hasn't functional programming taken over yet?
...programs; No side effects
Real-world programs are all about side effects and mutation. When the user presses a button it's because they want something to happen. When they type in something, they want that state to replace whatever state used to be there. When Jane Smith in accounting gets married...
How to generate serial version UID in Intellij
...ithout any plugins:
You just need to enable highlight: (Idea v.2016, 2017 and 2018, previous versions may have same or similar settings)
File -> Settings -> Editor -> Inspections -> Java -> Serialization issues -> Serializable class without 'serialVersionUID' - set flag and c...
How can I delay a method call for 1 second?
...und this solution to be easier than performSelector when mixing straight C and ObjC
– Paul Slocum
Jul 17 '13 at 23:25
1
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Undoing a git rebase
...t was immediately before the rebase started in the reflog...
git reflog
and to reset the current branch to it (with the usual caveats about being absolutely sure before reseting with the --hard option).
Suppose the old commit was HEAD@{5} in the ref log:
git reset --hard HEAD@{5}
In Windows, ...
Remove trailing newline from the elements of a string list
... could I then just say stripped_list = map(str.strip, my_list) and then print stripped_list to print this new list?
– George Burrows
Nov 2 '11 at 17:02
19
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from jquery $.ajax to angular $http
...ethod)
AngularJS will take care of converting JS objects into JSON string and setting headers (those are customizable)
Callback functions are named success and error respectively (also please note parameters of each callback) - Deprecated in angular v1.5
use then function instead.
More info of the...
Maven fails to find local artifact
Occasionally maven complains that a particular dependency, which is built and packaged locally, cannot be found in the local repository while building another project that has it as a dependency. We get an error like:
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Django “login() takes exactly 1 argument (2 given)” error
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Your view function is also called login, and the call to login(request, user) ends up being interpreted as a attempt to call this function recursively:
def login(request):
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login(request, user)
To avoid it rename your view function or refer to the logi...
Create whole path automatically when writing to a new file
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Why getParentFile and not just mkdirs?
– sauperl
Mar 11 '16 at 15:54
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