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What’s the difference between ScalaTest and Scala Specs unit test frameworks?
...calaTest, and that I think reflects a difference in design attitude. I actually cut probably 2/3 of the matcher syntax I built and considered for release. I will add more matchers in future releases, but wanted to be sure I knew users actually wanted something before I added it. However ScalaTest's ...
Android: How can I validate EditText input?
...ern.compile("[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz123456789_]*");
Matcher matcher = pattern.matcher(checkMe);
boolean valid = matcher.matches();
if(!valid){
Log.d("", "invalid");
return "";
}
}
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Open an IO stream from a local file or url
...d be able to call methods like read and readlines.
require 'open-uri'
file_contents = open('local-file.txt') { |f| f.read }
web_contents = open('http://www.stackoverflow.com') {|f| f.read }
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How to change the docker image installation directory?
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Yes, change this line to DOCKER_OPTS="-dns 8.8.8.8 -dns 8.8.4.4 -g /mnt"
– mbarthelemy
Jun 23 '14 at 17:05
6
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How to check if the user can go back in browser history or not
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Does not work if a window was opened with target="_blank" to force a new window. The back button on the browser won't work, but there will be a document.referrer
– Mike_K
Mar 26 '13 at 15:54
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Pickle incompatibility of numpy arrays between Python 2 and 3
...mport gzip
import numpy
with open('mnist.pkl', 'rb') as f:
u = pickle._Unpickler(f)
u.encoding = 'latin1'
p = u.load()
print(p)
Unpickling it in Python 2 and then repickling it is only going to create the same problem again, so you need to save it in another format.
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How do I get the picture size with PIL?
...#2: Pygame
import pygame
img = pygame.image.load(filepath)
width = img.get_width()
height = img.get_height()
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Your build failed due to an error in the AAPT stage, not because of an...
...中有一个 ASCII 空字符一个或多个屏幕名称包含下划线“_”字符 - 只能使用字母和数字图标文件不是 PNG 或太大（使用 96pix x 96pix 零压缩 PNG）该项目包含尚未针对 Android优化的图像 Optimize Images for AndroidProject、Screen、Block、Procedure ...
Calling Java from Python
...thods from your python code as if they were python methods:
from py4j.java_gateway import JavaGateway
gateway = JavaGateway() # connect to the JVM
java_object = gateway.jvm.mypackage.MyClass() # invoke constructor
other_object = java_object.doThat()
other_object.doThis(1,'ab...
Django get the static files URL in view
...lean way of adding the hostname to the static url (if not present in STATIC_URL)? I need to add images or other resources in mails, where the user won't be able to find the resources with relative urls.
– gepatino
Sep 12 '13 at 20:00
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