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When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...ced render more likely the possibility of creating duplicate IDs.
Another interest of uuid1(), in that case is that the machine where each GUID was initially produced is implicitly recorded (in the "node" part of UUID). This and the time info, may help if only with debugging.
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./configure : /bin/sh^M : bad interpreter [duplicate]
...mmand,
CentOS:
# yum install dos2unix*
# dos2unix filename.sh
dos2unix: converting file filename.sh to Unix format ...
Ubuntu / Debian:
# apt-get install dos2unix
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Bash script prints “Command Not Found” on empty lines
...bash if it is not /bin/bash
Try running:
dos2unix script.sh
That wil convert line endings, etc from Windows to unix format. i.e. it strips \r (CR) from line endings to change them from \r\n (CR+LF) to \n (LF).
More details about the dos2unix command (man page)
Another way to tell if your ...
How to implement a tree data-structure in Java? [closed]
...dy have the table records relationship but just unsure i can populate them into a tree using your library.
– d4v1dv00
Apr 7 '15 at 15:03
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Why is it important to override GetHashCode when Equals method is overridden?
...sed (in the absence of a custom IEqualityComparer<T>) to group items into buckets. If the hash-code for two items does not match, they may never be considered equal (Equals will simply never be called).
The GetHashCode() method should reflect the Equals logic; the rules are:
if two things a...
How to disable phone number linking in Mobile Safari?
...<?xml-stylesheet> directive to generate the HTML page. Mobile Safari converts any long number in the original XML into a "tel:" link, even though the source isn't HTML (!).
– Mark Reinhold
Mar 13 '18 at 19:36
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How do I use Linq to obtain a unique list of properties from a list of objects?
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IEnumerable<int> ids = list.Select(x=>x.ID).Distinct();
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Add new item count to icon on button - Android
...have functional app but wonder how to even approach this? Particulary, I'm interested in how to show Number of "New" items under tabs. What I KNOW how to do - is create new icons with red dots and just display them when new stuff available.
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What does dot (.) mean in a struct initializer?
...h still works, of course.
So for the following struct:
struct demo_s {
int first;
int second;
int third;
};
...you can use
struct demo_s demo = { 1, 2, 3 };
...or:
struct demo_s demo = { .first = 1, .second = 2, .third = 3 };
...or even:
struct demo_s demo = { .first = 1...
Is there replacement for cat on Windows
...
It converted my files into UTF-16, for some reason. -Encoding UTF8 didn't change anything.
– John Dvorak
May 10 '19 at 12:57
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