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How to modify a global variable within a function in bash?
I'm working with this:
8 Answers
8
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C# Set collection?
...ction in C#? I know that you can somewhat mimic a set using a Dictionary or a HashTable by populating but ignoring the values, but that's not a very elegant way.
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Class constants in python
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Since Horse is a subclass of Animal, you can just change
print(Animal.SIZES[1])
with
print(self.SIZES[1])
Still, you need to remember that SIZES[1] means "big", so probably you could improve your code by doing something like:
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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
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Short answer: portability.
While __arglist, __makeref, and __refvalue are language extensions and are undocumented in the C# Language Specification, the constructs used to implement them under the hood (vararg calling conventio...
file_get_contents(“php://input”) or $HTTP_RAW_POST_DATA, which one is better to get the body of JSON
file_get_contents("php://input") or $HTTP_RAW_POST_DATA - which one is better to get the body of JSON request?
6 Answers...
How to use shell commands in Makefile
...e a make variable, these variables need to be assigned outside the recipe portion, e.g.:
FILES = $(shell ls)
all:
echo $(FILES)
Of course, that means that FILES will be set to "output from ls" before running any of the commands that create the .tgz files. (Though as Kaz notes the variabl...
Why would you use String.Equals over ==? [duplicate]
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It's entirely likely that a large portion of the developer base comes from a Java background where using == to compare strings is wrong and doesn't work.
In C# there's no (practical) difference (for strings) as long as they are typed as string.
If they are t...
IllegalMonitorStateException on wait() call
I am using multi-threading in java for my program.
I have run thread successfully but when I am using Thread.wait() , it is throwing java.lang.IllegalMonitorStateException .
How can I make a thread wait until it will be notified?
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Regex to match any character including new lines
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For more info regarding @Zymotik's comment, see: stackoverflow.com/questions/1068280/…
– Jacob van Lingen
Jul 19 '16 at 7:14
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Error 908: Permission RECEIVE_SMS has been denied. - App Inventor 2 中...
这篇帖子是关于在MIT App Inventor中遇到错误908（权限接收短信）的讨论。一位用户遇到了这个问题，并询问是否有人知道如何解决。其他用户提供了一些可能的解决方案，包括检查应用程序权限设置、确保手机上的权限设置正确...