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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
When building a Java 8 project with Maven:
8 Answers
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Array to String PHP?
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edited Jun 24 at 15:14
Kees de Kooter
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how to read System environment variable in Spring applicationContext
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Check this article. It gives you several ways to do this, via the PropertyPlaceholderConfigurer which supports external properties (via the systemPropertiesMode property).
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AngularJS: Is there any way to determine which fields are making a form invalid?
...ularJS application, inside of a controller,
which is called from an ng-submit function, which belongs to a form with name profileForm :
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How do I remove all non alphanumeric characters from a string except dash?
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Replace [^a-zA-Z0-9 -] with an empty string.
Regex rgx = new Regex("[^a-zA-Z0-9 -]");
str = rgx.Replace(str, "");
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How can I get list of values from dict?
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Yes it's the exact same thing in Python 2:
d.values()
In Python 3 (where dict.values returns a view of the dictionary’s values instead):
list(d.values())
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How to count the frequency of the elements in an unordered list?
...: You should sort the list before using groupby.
You can use groupby from itertools package if the list is an ordered list.
a = [1,1,1,1,2,2,2,2,3,3,4,5,5]
from itertools import groupby
[len(list(group)) for key, group in groupby(a)]
Output:
[4, 4, 2, 1, 2]
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Taskkill /f doesn't kill a process
...), a zombile devenv.exe process remains running which I am unable to kill. It holds on to many of my dlls.
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App Inventor 2 接入百度网盘API · App Inventor 2 中文网
...载
1、申请应用
2、用户登录认证，拿到access_token，后续请求必备参数 【使用Web浏览框】
3、获取文件列表，返回JSON，拿出想要的文件的fsid 【使用Web客户端】
4、获取文件信息，返回JSON，根据fsid取出dlink 【...
javascript i++ vs ++i [duplicate]
In javascript I have seen i++ used in many cases, and I understand that it adds one to the preceding value:
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