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How to explain callbacks in plain english? How are they different from calling one function from ano
...sider how programmers normally write to a file:
fileObject = open(file)
# now that we have WAITED for the file to open, we can write to it
fileObject.write("We are writing to the file.")
# now we can continue doing the other, totally unrelated things our program does
Here, we WAIT for the file to...
Significant new inventions in computing since 1980
...e form before, but the combination was obvious only in hindsight.
And I know for sure that you are using it right now.
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edited Jan 11 '09 at 16:06
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Rename a git submodule
...nd .gitmodules properly in 2018 versions of GIT.
Note: You may be able to now just do git mv oldpath newpath now, as pointed out in VonC's answer. (Ensure you are using the latest version of git)
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Javascript date.getYear() returns 111 in 2011? [duplicate]
...be entirely honest, I suspect it was probably me who read W3Schools. Every now and again I delve into there and usually begin regretting it fairly quickly.
– Mark Henderson
Jul 24 '12 at 21:57
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How do I get PyLint to recognize numpy members?
...mmand. They had fixed this problem in an earlier version in an unsafe way. Now if you want them to look more carefully at a package outside of the standard library, you must explicitly whitelist it. See here.
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What are detached, persistent and transient objects in hibernate?
...ng it with a Session:
Long id = (Long) session.save(person);
// person is now in a persistent state
Now, if we close the Hibernate Session, the persistent instance will become a detached instance: it isn't attached to a Session anymore (but can still be modified and reattached to a new Session la...
Creating object with dynamic keys [duplicate]
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Great edit. Now if ES6 can just be officially released we might have a shot at world peace! :)
– JDillon522
Sep 12 '14 at 18:44
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How important is the order of columns in indexes?
...while Column 1 above does negate 1/2 the possibilities, the index already knows which index page to go straight to for the Column2 value, it does not necessary need Column 1 to narrow down the set.
– CodeCowboyOrg
Mar 23 '15 at 17:57
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how get yesterday and tomorrow datetime in c#
...st bare in mind that if you do it this way:
DateTime yesterday = DateTime.Now.AddDays(-1);
DateTime tomorrow = DateTime.Now.AddDays(1); // Output example: 6. 02. 2016 18:09:23
then you will get the current time minus one day, and not yesterday at 00:00:00 time.
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How is Python's List Implemented?
... list, an array? I searched around and only found people guessing. My C knowledge isn't good enough to look at the source code.
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