大约有 30,000 项符合查询结果（耗时：0.0609秒） [XML]
How do you run your own code alongside Tkinter's event loop?
<em>Mem>y little brother is just getting into progra<em>mem><em>mem>ing, and for his Science Fair project, he's doing a si<em>mem>ulation of a flock of birds in the sky. He's gotten <em>mem>ost of his code written, and it works nicely, but the birds need to <em>mem>ove every <em>mem>o<em>mem>ent .
...
What is android:e<em>mem>s attribute in Edit Text? [duplicate]
In EditText there is an attribute na<em>mem>ed android:e<em>mem>s . The description
is "<em>Mem>akes the EditText be exactly this <em>mem>any e<em>mem>s wide"
...
Django: “projects” vs “apps”
I have a fairly co<em>mem>plex "product" I'<em>mem> getting ready to build using Django. I'<em>mem> going to avoid using the ter<em>mem>s "project" and "application" in this context, because I'<em>mem> not clear on their specific <em>mem>eaning in Django.
...
Pandas: Looking up the list of sheets in an excel file
...
You can still use the ExcelFile class (and the sheet_na<em>mem>es attribute):
xl = pd.ExcelFile('foo.xls')
xl.sheet_na<em>mem>es # see all sheet na<em>mem>es
xl.parse(sheet_na<em>mem>e) # read a specific sheet to DataFra<em>mem>e
see docs for parse for <em>mem>ore options...
...
Vagrant reverse port forwarding?
I'<em>mem> working on a web services architecture. I've got so<em>mem>e software that I need to run on the native host <em>mem>achine, not in Vagrant. But I'd like to run so<em>mem>e client services on the guest.
...
SPA best practices for authentication and session <em>mem>anage<em>mem>ent
When building SPA style applications using fra<em>mem>eworks like Angular, E<em>mem>ber, React, etc. what do people believe to be so<em>mem>e best practices for authentication and session <em>mem>anage<em>mem>ent? I can think of a couple of ways of considering approaching the proble<em>mem>.
...
Any reason why scala does not explicitly support dependent types?
There are path dependent types and I think it is possible to express al<em>mem>ost all the features of such languages as Epigra<em>mem> or Agda in Scala, but I'<em>mem> wondering why Scala does not support this <em>mem>ore explicitly like it does very nicely in other areas (say, DSLs) ?
Anything I'<em>mem> <em>mem>issing like "it is not n...
Color Tint UIButton I<em>mem>age
I noticed that when I place a white or black UII<em>mem>age into a UISeg<em>mem>entedControl it auto<em>mem>atically color <em>mem>asks it to <em>mem>atch the tint of the seg<em>mem>ented control. I thought this was really cool, and was wondering if I could do this elsewhere as well. For exa<em>mem>ple, I have a bunch of buttons that have a un...
In Flux architecture, how do you <em>mem>anage Store lifecycle?
I'<em>mem> reading about Flux but the exa<em>mem>ple Todo app is too si<em>mem>plistic for <em>mem>e to understand so<em>mem>e key points.
3 Answers
...
CALayer with transparent hole in it
I have a si<em>mem>ple view (left side of the picture) and i need to create so<em>mem>e kind of overlay (right side of the picture) to this view. This overlay should have so<em>mem>e opacity, so the view bellow it is still partly visible.
<em>Mem>ost i<em>mem>portantly this overlay should have a circular hole in the <em>mem>iddle of it so i...