大约有 47,000 项符合查询结果(耗时:0.0794秒) [XML]
How do I create a file AND any folders, if the folders don't exist?
...
@Gertjan - answer updated... hope it meets your standards now ;)
– Oded
Jul 8 '10 at 8:18
:) it does ...
Change column type from string to float in Pandas
...arly useful when you want to convert your entire DataFrame, but don't not know which of our columns can be converted reliably to a numeric type. In that case just write:
df.apply(pd.to_numeric, errors='ignore')
The function will be applied to each column of the DataFrame. Columns that can be conver...
What's the difference between eval, exec, and compile?
...built-in function (both are built-in functions in Python 3).
It is a well-known fact that the official syntax of exec in Python 2 is exec code [in globals[, locals]].
Unlike majority of the Python 2-to-3 porting guides seem to suggest, the exec statement in CPython 2 can be also used with syntax th...
How to plot two columns of a pandas data frame using points?
...
Now in latest pandas you can directly use df.plot.scatter function
df = pd.DataFrame([[5.1, 3.5, 0], [4.9, 3.0, 0], [7.0, 3.2, 1],
[6.4, 3.2, 1], [5.9, 3.0, 2]],
columns=['length', 'width...
Simple conversion between java.util.Date and XMLGregorianCalendar
... of of it by simply representing time fields as primitive long in my POJO.
Now the generation of my WS client code handle everything correctly and no more XML-to-Java crap. And of course dealing with millis on the Java side is simple and painless.
KISS principle rocks!
...
How do I check if a number is a palindrome?
... that's what i came up w/ too. i guess no sense in me posting it now. +1
– Esteban Araya
Oct 13 '08 at 22:21
...
Which method performs better: .Any() vs .Count() > 0?
in the System.Linq namespace, we can now extend our IEnumerable's to have the Any() and Count() extension methods .
...
When to use Mockito.verify()?
...ts of other available literature. If you see how it might differ, let me know, and maybe we can work on it together.
– Dawood ibn Kareem
Sep 22 '12 at 4:50
...
Android app in Eclipse: Edit text not showing on Graphical layout
...gt; Show View there is no error log option. The whole designer is useless now, because I can not use it anymore until I delete the EditText directly from the xml. What is causing this error, and how do I fix it? I am running the latest version (as of today, 6-30-14), and Windows 8 Pro x64.
...
Android How to adjust layout in Full Screen Mode when softkeyboard is visible
...
private void possiblyResizeChildOfContent() {
int usableHeightNow = computeUsableHeight();
if (usableHeightNow != usableHeightPrevious) {
int usableHeightSansKeyboard = mChildOfContent.getRootView().getHeight();
int heightDifference = usableHeightSansKeyb...
