大约有 22,539 项符合查询结果（耗时：0.0302秒） [XML]
Android list view inside a scroll view
...="utf-8"?>
<androidx.core.widget.NestedScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.appcompat.widget.Linea...
Using psql how do I list extensions installed in a database?
...
In psql that would be
\dx
See the manual for details: http://www.postgresql.org/docs/current/static/app-psql.html
Doing it in plain SQL it would be a select on pg_extension:
SELECT *
FROM pg_extension
http://www.postgresql.org/docs/current/static/catalog-pg-extension.html
...
Unique Constraint in Entity Framework Code First
... of version 4.3 you can use the new migrations mechanism to achieve it:
http://msdn.microsoft.com/en-us/library/hh770484(v=vs.103).aspx
http://blogs.msdn.com/b/adonet/archive/2012/02/09/ef-4-3-code-based-migrations-walkthrough.aspx
Basically you need to insert a call like this in one of your mi...
Should I embed images as data/base64 in CSS or HTML
...their binary equivalent. (However, this overhead is reduced to 2-3% if the HTTP server compresses the response using gzip)
Data URIs make it more difficult for security software to filter content.
share
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Convert SVG to PNG in Python
...cairosvg:
from cairosvg import svg2png
svg_code = """
<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<circle cx="12" cy="12" r="10"/>
<l...
Pandas - Get first row value of a given column
... a copy of a slice from a DataFrame
See the caveats in the documentation: http://pandas.pydata.org/pandas-docs/stable/indexing.html#indexing-view-versus-copy
self._setitem_with_indexer(indexer, value)
In [26]: df
Out[26]:
foo bar
0 A 99 <-- assignment succeeded
2 B 100
1 C 100
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Accessing the logged-in user in a template
I'm using FOSuserbundle to get started with User registration https://github.com/FriendsOfSymfony/FOSUserBundle
3 Answers
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Difference between jQuery parent(), parents() and closest() functions
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from http://api.jquery.com/closest/
The .parents() and .closest() methods are similar in that they both
traverse up the DOM tree. The differences between the two, though
subtle, are significant:
.closest()
Begins with the curren...
How to install a private NPM module without my own registry?
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FYI if you are serving your git up via http you'll need to npm i git+http://all/the/things.git even though git clone http://all/the/things.git works just fine
– slf
May 30 '13 at 19:09
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How to linebreak an svg text within javascript?
...o put your line breaks: you can use this nice function, that I found here:
http://bl.ocks.org/mbostock/7555321
That automatically does line breaks for long text svg for a given width in pixel.
function wrap(text, width) {
text.each(function() {
var text = d3.select(this),
words = tex...