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How to get the first element of an array?

...x of 0. You know what they say about assumption... – Andy Aug 9 '15 at 16:19 16 @Andy There were...
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Effects of the extern keyword on C functions

... We have two files, foo.c and bar.c. Here is foo.c #include <stdio.h> volatile unsigned int stop_now = 0; extern void bar_function(void); int main(void) { while (1) { bar_function(); stop_now = 1; } return 0; } Now, here is...
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Breakpoint on property change

...d "Break on property change", where I can mark any property of any object, and it will stop JavaScript execution right before the change. ...
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How to test an Internet connection with bash?

... very nice... but of course assumes the box has wget. embedded devices and whatnot probably won't. ;) – Eric Sebasta Jun 8 '15 at 19:03 5 ...
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Python : List of dict, if exists increment a dict value, if not append a new dict

...en easier: from collections import defaultdict # available in Python 2.5 and newer urls_d = defaultdict(int) for url in list_of_urls: urls_d[url] += 1 If you access the defaultdict using a key, and the key is not already in the defaultdict, the key is automatically added with a default valu...
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javax vs java package

What's the rationale behind the javax package? What goes into java and what into javax? 7 Answers ...
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Safe characters for friendly url [closed]

I need to make a website that will have articles, and I would like to make friendly URLs for it, example the URL of the page with ...
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break out of if and foreach

I have a foreach loop and an if statement. If a match is found i need to ultimately break out of the foreach. 4 Answers ...
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Why is IntelliJ 13 IDEA so slow after upgrading from version 12?

... 12. What worked for me was editing the idea64.vmoptions in the bin folder and setting the max heap to 8 GB (was 512 MB) and the Max PermGen to at least 1GB (was 300MB).Example below: -Xms128m -Xmx8192m -XX:MaxPermSize=1024m Upon restart it was much faster. For IntelliJ 2020 going back to 2017 o...
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Meaning of @classmethod and @staticmethod for beginner? [duplicate]

Could someone explain to me the meaning of @classmethod and @staticmethod in python? I need to know the difference and the meaning. ...