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How to initialize const member variable in a class?
...ion sums it up briefly:
A class is typically declared in a header file and a header file is typically included into many translation units. However, to avoid complicated linker rules, C++ requires that every object has a unique definition. That rule would be broken if C++ allowed in-class defini...
Show a Form without stealing focus?
...protected override bool ShowWithoutActivation
{
get { return true; }
}
And if you don't want the user to click this notification window either, you can override CreateParams:
protected override CreateParams CreateParams
{
get
{
CreateParams baseParams = base.CreateParams;
const int...
How to delete a localStorage item when the browser window/tab is closed?
...ocalStorage with key + value that should be deleted when browser is closed and not single tab.
19 Answers
...
Fast check for NaN in NumPy
... to get slower as NaNs get closer to the start of the array. On the other hand, sum's throughput seems constant regardless of whether there are NaNs and where they're located:
In [40]: x = np.random.rand(100000)
In [41]: %timeit np.isnan(np.min(x))
10000 loops, best of 3: 153 us per loop
In [42]:...
How to use permission_required decorators on django class-based views
I'm having a bit of trouble understanding how the new CBVs work. My question is this, I need to require login in all the views, and in some of them, specific permissions. In function-based views I do that with @permission_required() and the login_required attribute in the view, but I don't know how ...
Python Create unix timestamp five minutes in the future
...etime.timedelta) didn't mention that shortcut. It only had days, seconds, and microseconds.
– Daniel Rhoden
May 5 '10 at 19:05
12
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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
...th a condition like data[c] & 0x80 or so that can be true for positive and negative values?). I had compilers make invalid optimisations (for example, a couple of years ago, I had an ICC (11.0, iirc) use signed-32-bit-int-to-double conversion in 1.0/n where n was an unsigned int. Was about twice...
Is memcached a dinosaur in comparison to Redis? [closed]
I have worked quite a bit with memcached the last weeks and just found out about Redis. When I read this part of their readme, I suddenly got a warm, cozy feeling in my stomach:
...
How can you undo the last git add?
...valid ref. I haven't committed anything yet (new repo) just done git add . and regretted it. I don't want to reset the entire add, just one directory. git reset -- dir/*.* generates the error above.
– Francis Davey
Jan 23 '14 at 17:51
...
Yellow fade effect with JQuery
...t", {}, 1500);
As Steerpike pointed out in the comments, effects.core.js and effects.highlight.js need to be included in order to use this.
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