大约有 45,000 项符合查询结果（耗时：0.0650秒） [XML]
Good Haskell source to read and learn from [closed]
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279
What I recommend.
Read code by people from different grad schools in the 1990s
Oxford style...
TypeError: ObjectId('') is not JSON serializable
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123
You should define you own JSONEncoder and using it:
import json
from bson import ObjectId
cla...
xcodebuild says does not contain scheme
... get things configured 100% correctly, but put into the wrong container or 2) put into the correct container, but configured improperly thus rendering data inaccessible by other parts of the system!
The default behavior of Xcode 4 schemes is to automatically generate new schemes as projects are add...
How to detect when WIFI Connection has been established in Android?
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127
You can register a BroadcastReceiver to be notified when a WiFi connection is established (or i...
matplotlib colorbar for scatter
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import matplotlib.pyplot as plt
cm = plt.cm.get_cmap('RdYlBu')
xy = range(20)
z = xy
sc = plt.scatter(xy, xy, c=z, vmin=0, vmax=20, s=35, cmap=cm)
plt.colorbar(sc)
plt.show()
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improve thi...
iPad browser WIDTH & HEIGHT standard
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277
The pixel width and height of your page will depend on orientation as well as the meta viewpor...
getString Outside of a Context or Activity
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edited May 23 '17 at 11:55
Community♦
111 silver badge
answered Jan 6 '12 at 23:21
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Override Python's 'in' operator?
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257
MyClass.__contains__(self, item)
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Why is string concatenation faster than array join?
...used in Google Chrome) uses this code to do string concatenation:
// ECMA-262, section 15.5.4.6
function StringConcat() {
if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
throw MakeTypeError("called_on_null_or_undefined", ["String.prototype.concat"]);
}
var len = %_Argu...