大约有 48,000 项符合查询结果（耗时：0.0562秒） [XML]
Populating spinner directly in the layout xml
...l_parent"
android:layout_height="wrap_content"
android:drawSelectorOnTop="true"
android:entries="@array/array_name"
/>
I've heard this doesn't always work on the designer, but it compiles fine.
...
Using only CSS, show div on hover over
...>Stuff shown on hover</div>
This uses the adjacent sibling selector, and is the basis of the suckerfish dropdown menu.
HTML5 allows anchor elements to wrap almost anything, so in that case the div element can be made a child of the anchor. Otherwise the principle is the same - use ...
Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
...1.42 0.63 0.98 1.20 1.42 1.65 1.87
To get specific statistics, just select them,
df.groupby(['A', 'B'])['C'].describe()[['count', 'mean']]
count mean
A B
bar one 1.0 0.400157
three 1.0 2.240893
two 1.0 -0.977278
foo one 2.0 ...
Querying DynamoDB by date
... // More code here
}
});
Essentially your query looks like:
SELECT * FROM TABLE WHERE DataID = "some_id" AND Created > timestamp;
The secondary Index will increase the read/write capacity units required so you need to consider that. It still is a lot better than doing a scan, whi...
How to measure time taken by a function to execute
...'s execution time.
To profile your JavaScript:
In Chrome, press F12 and select the Profiles tab, then Collect JavaScript CPU Profile.
In Firefox, install/open Firebug, and click on the Profile button.
In IE 9+, press F12, click on Script or Profiler (depending on your version of IE).
Alternat...
Java Reflection Performance
...Richard Riley Generally class instantiation is a pretty rare event for the selected classes you will use reflection on. I suppose you are right though--some people might instantiate every class reflectively, even ones that are recreated constantly. I would call that pretty bad programming (althoug...
How to use bootstrap-theme.css with bootstrap 3?
...
This should be the selected answer.
– Patrick Cullen
May 13 '14 at 1:31
11
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Example of multipart/form-data
... > a.html
Run:
nc -l localhost 8000
Open the HTML on your browser, select the files and click on submit and check the terminal.
nc prints the request received. Firefox sent:
POST / HTTP/1.1
Host: localhost:8000
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:29.0) Gecko/20100101 Fire...
Can I get a list of files marked --assume-unchanged?
...
PowerShell solution, using Select-String \ sls
git ls-files -v | sls -pattern ^h -casesensitive
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How do I enable gzip compression when using MVC3 on IIS7?
...-view on the left until you reach the virtual directory you wish to modify
Selecting the appropriate virtual directory so that the title of the right-hand pane becomes the name of said virtual directory.
Choosing "Compression" under "IIS" in the right-hand pane
Ticking both options and choosing "App...