大约有 45,000 项符合查询结果（耗时：0.0768秒） [XML]
How to tell if UIViewController's view is visible
I have a tab bar application, with many views. Is there a way to know if a particular UIViewController is currently visible from within the UIViewController ? (looking for a property)
...
PermGen elimination in JDK 8
... get a java.lang.OutOfMemoryError: PermGen error.
The JDK 8 HotSpot JVM is now using native memory for the representation of class metadata and is called Metaspace. Read More>>
share
|
improve...
in Ipython notebook / Jupyter, Pandas is not displaying the graph I try to plot
... The recommended way to enable inline plotting in the IPython Notebook is now to run:
%matplotlib inline
import matplotlib.pyplot as plt
See this post from the ipython-dev mailing list for more details.
share
|
...
How to get random value out of an array?
...ased to mt_rand() and srand() aliased to mt_srand(). In practice it should now be good enough.
– Gras Double
Jun 29 '17 at 11:17
add a comment
|
...
Running PostgreSQL in memory only
...a little easier with the advent of include_dir support in postgresql.conf; now you can just append one line, then write a generated config file for all the rest.
Faster testing with PostgreSQL
For more information about how to safely improve the performance of PostgreSQL for testing purposes, see ...
What key shortcuts are to comment and uncomment code?
...ss that these are the defaults, at least in the C++ defaults, but I don't know for sure. The best way to find out is to check your settings.)
share
|
improve this answer
|
f...
Can someone give an example of cosine similarity, in a very simple, graphical way?
...e than Linda loves me
Jane likes me more than Julie loves me
We want to know how similar these texts are, purely in terms of word counts (and ignoring word order). We begin by making a list of the words from both texts:
me Julie loves Linda than more likes Jane
Now we count the number of times ...
Does a javascript if statement with multiple conditions test all of them?
...bles, each function may take a long time, and not only is it important to know this short circuits, but in what order. For example:
if (takesSeconds() && takesMinutes())
is much better than
if (takesMinutes() && takesSeconds())
if both are equally likely to return false.
...
How to get Resource Name from Resource id
...le.app:id/radio1:
getResources().getResourceName(int resid);
In Kotlin Now :
val name = v.context.resources.getResourceEntryName(v.id)
share
|
improve this answer
|
fo...
MVC4 StyleBundle not resolving images
...e).
Update
As per the comment below by @Hao Kung, alternatively this may now be achieved by applying a CssRewriteUrlTransformation (Change relative URL references to CSS files when bundled).
NOTE: I have not confirmed comments regarding issues with rewriting to absolute paths within a virtual di...