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Difference between dispatch_async and dispatch_sync on serial queue?
...ispatch_async return after it is added to the queue and may not finished.
for this code
dispatch_async(_serialQueue, ^{ printf("1"); });
printf("2");
dispatch_async(_serialQueue, ^{ printf("3"); });
printf("4");
It may print 2413 or 2143 or 1234 but 1 always before 3
for this code
dispatch_syn...
Transactions in .net
...hat are the classes that should be used? What are the pitfalls to look out for etc. All that commit and rollback stuff. I'm just starting a project where I might need to do some transactions while inserting data into the DB. Any responses or links for even basic stuff about transactions are welcome....
List vs Set vs Bag in NHibernate
... @SergeyTachenov: see stackoverflow.com/questions/9222058/… for a possible answer. When this answer was written ISet was not a part of .net
– Michael Gattuso
Jul 25 '16 at 19:46
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Does .NET have a way to check if List a contains all items in List b?
...
Just for fun, @JonSkeet's answer as an extension method:
/// <summary>
/// Does a list contain all values of another list?
/// </summary>
/// <remarks>Needs .NET 3.5 or greater. Source: https://stackoverflow.c...
Inheritance and Overriding __init__ in python
...
should i look for a better book/tutorial?
– liewl
Apr 15 '09 at 20:54
2
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Is there a way to make a link clickable in the OSX Terminal?
I am planning on developing an Mxmlc to Textmate formatter, one that formats mxmlc errors as clickable links, so you can open them up quickly in Textmate as Textmate has a url scheme e.g.: txmt://open/?url=file://~/.bash_profile&line=11&column=2.
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How to delete a word and go into insert mode in Vim?
...ner { block" and "change a { block".
Documentation at http://vimdoc.sourceforge.net/htmldoc/motion.html#text-objects
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Can you make just part of a regex case-insensitive?
... something like /([Ff][Oo]{2}|BAR)/ with case sensitivity on, but in Java, for example, there is a case sensitivity modifier (?i) which makes all characters to the right of it case insensitive and (?-i) which forces sensitivity. An example of that Java regex modifier can be found here.
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TCP: can two different sockets share a port?
...e system resources allow it to.
On the client-side, it is common practice for new outbound connections to use a random client-side port, in which case it is possible to run out of available ports if you make a lot of connections in a short amount of time.
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Change old commit message on Git
...ry again)
As Dave Vogt mentions in the comments, git rebase --continue is for going to the next task in the rebasing process, after you've amended the first commit.
Also, Gregg Lind mentions in his answer the reword command of git rebase:
By replacing the command "pick" with the command "edit", yo...