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hasNext in Python iterators?
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@Giorgio, there is no way to know whether another element exists without executing the code that generates it (you don't know whether the generator will execute yield or not). It is, of course, not difficult to write an adaptor that stores the result of n...
Why does the JVM still not support tail-call optimization?
...ementation and MLVM has listed the feature as "proto 80%" for some time now.
4 Answers
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Biggest advantage to using ASP.Net MVC vs web forms
...ccurate for the MVC side, a lot of them are being integrated into WebForms now.
– rtpHarry
Mar 4 '11 at 13:18
Link to ...
Page scroll when soft keyboard popped up
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Ok, I have searched several hours now to find the problem, and I found it.
None of the changes like fillViewport="true" or android:windowSoftInputMode="adjustResize" helped me.
I use Android 4.4 and this is the big mistake:
android:theme="@android:style/Th...
apc vs eaccelerator vs xcache
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Success. It's 3 years old now. Ewwww.
– Swader
Nov 30 '13 at 13:19
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How can I convert a DateTime to the number of seconds since 1970?
...e, there's a really convenient feature:
long unixSeconds = DateTimeOffset.Now.ToUnixTimeSeconds();
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There is already an open DataReader associated with this Command which must be closed first
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I have had this error so many times now... and every time I forget! The answer to the question is always to use ToList().
– Cheesus Toast
Jul 21 '15 at 19:24
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What is Node.js' Connect, Express and “middleware”?
Despite knowing JavaScript quite well, I'm confused what exactly these three projects in Node.js ecosystem do. Is it something like Rails' Rack? Can someone please explain?
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Hard reset of a single file
...low command will get MyFile two commits previous to the last one. You need now the -s (--source) option since now you use master~2 and not master (the default) as you restore source:
git restore -s master~2 pathTo/MyFile
You can also get the file from other branch!
git restore -s my-feature-bran...
How to concatenate items in a list to a single string?
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It's very useful for beginners to know
why join is a string method.
It's very strange at the beginning, but very useful after this.
The result of join is always a string, but the object to be joined can be of many types (generators, list, tuples, etc).
.jo...