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How to jump to a particular line in a huge text file?
...y. I'll need to see what happens if I work on a dozen of files at the same time this way, find out at what point my system dies.
– user63503
Mar 6 '09 at 22:46
5
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Split code over multiple lines in an R script
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Thanks for making it clear why sometimes you can split lines with a plus sign!
– Iain Samuel McLean Elder
Mar 8 '14 at 20:34
9
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Why use the INCLUDE clause when creating an index?
...mployee found in the index is no longer necessary --> you save a lot of time.
Obviously, you cannot include every column in every non-clustered index - but if you do have queries which are missing just one or two columns to be "covered" (and that get used a lot), it can be very helpful to INCLUD...
A better similarity ranking algorithm for variable length strings
... list to prevent us from matching against the same character pair multiple times. (Otherwise, 'GGGGG' would score a perfect match against 'GG'.)" I would alter this statement to say that it would give a higher than perfect match. Without taking this into account, it also seems to have the result th...
What's the need of array with zero elements?
...ally, for GCC (C90) in fact.
It's also called a struct hack.
So the next time, I would say:
struct bts_action *bts = malloc(sizeof(struct bts_action) + sizeof(char)*100);
It will be equivalent to saying:
struct bts_action{
u16 type;
u16 size;
u8 data[100];
};
And I can create any...
Best way to make Django's login_required the default
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@richard decorators run at compile time, and in this case all I did was: function.public = True. Then when the middleware runs it can look for the .public flag on the function to decide whether to allow the access or not. If that doesn't make sense I can sen...
how to create a Java Date object of midnight today and midnight tomorrow?
...OND, 0);
// next day
date.add(Calendar.DAY_OF_MONTH, 1);
JDK 8 - java.time.LocalTime and java.time.LocalDate
LocalTime midnight = LocalTime.MIDNIGHT;
LocalDate today = LocalDate.now(ZoneId.of("Europe/Berlin"));
LocalDateTime todayMidnight = LocalDateTime.of(today, midnight);
LocalDateTime tomo...
What is the difference between == and equals() in Java?
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The difference between == and equals confused me for sometime until I decided to have a closer look at it.
Many of them say that for comparing string you should use equals and not ==. Hope in this answer I will be able to say the difference.
The best way to answer this question wi...
Fast permutation -> number -> permutation mapping algorithms
...mutation in our form is O(n²). If you need to apply a permutation several times, first convert it to the common representation.
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Exception thrown in catch and finally clause
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A method can't throw two exceptions at the same time. It will always throw the last thrown exception, which in this case it will be always the one from the finally block.
When the first exception from method q() is thrown, it will catch'ed and then swallowed by the finall...