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Programmatically get height of navigation bar
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for me, view.window is nil. So i've to take frame from UIApplication.shared.windows's keywnidow. (iOS 14)
– Lal Krishna
Sep 17 at 9:57
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How to efficiently compare two unordered lists (not sets) in Python?
...,000 ints with 5 repeats, Counter is 4x faster. python3.6 -m timeit -s 'from collections import Counter' -s 'from random import shuffle' -s 't=list(range(100)) * 5' -s 'shuffle(t)' -s 'u=t[:]' -s 'shuffle(u)' 'Counter(t)==Counter(u)'
– Raymond Hettinger
Oct ...
How do you use window.postMessage across domains?
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</html>
A and B must be something like http://domain.com
EDIT:
From another question, it looks the domains(A and B here) must have a / for the postMessage to work properly.
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How to get error information when HttpWebRequest.GetResponse() fails
...more information. For example, I would like to pass the exception message from server to client. Is this possible using HttpWebRequest and HttpWebResponse?
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Why are #ifndef and #define used in C++ header files?
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This prevent from the multiple inclusion of same header file multiple time.
#ifndef __COMMON_H__
#define __COMMON_H__
//header file content
#endif
Suppose you have included this header file in multiple files. So first time
__COMMON_H_...
How to make gradient background in android
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@Pratik Sharma How i can specify to start this gradiant from a specific portion? i mean i just want to start color change from right side a little bit
– User
Mar 17 '17 at 7:55
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Objective-C: difference between id and void *
.... An id can easily refer to an instance of a class that does not inherent from NSObject. Practically speaking, though, your statement best matches real world behavior; you can't mix non-<NSObject> implementing classes with Foundation API and get very far, that is definitely for sure!
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Generating file to download with Django
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To trigger a download you need to set Content-Disposition header:
from django.http import HttpResponse
from wsgiref.util import FileWrapper
# generate the file
response = HttpResponse(FileWrapper(myfile.getvalue()), content_type='application/zip')
response['Content-Disposition'] = 'attachm...
How to extract custom header value in Web API message handler?
...cally supplies a default guid as a string (as it would have been retrieved from Header) and the Guid.Parse third parameter will translate the found or default string value into a GUID.
– Mikee
Feb 6 '15 at 14:23
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The difference between the Runnable and Callable interfaces in Java
...concise than using Callable<Void> and returning a dummy (null) value from the call() method.
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