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Histogram using gnuplot?
...=width*floor(x/width) + width/2.0. If we are passing width as an argument, then use it. :-)
– Mitar
May 15 '13 at 23:49
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Add alternating row color to SQL Server Reporting services report
... their own question. Too often, the asker finds an answer on their own and then never comes back to post it, leaving the rest of us who might have the same question in the dark. A bump for you, sir.
– Matt DiTrolio
Aug 31 '11 at 14:43
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'IF' in 'SELECT' statement - choose output value based on column values
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Use a case statement:
select id,
case report.type
when 'P' then amount
when 'N' then -amount
end as amount
from
`report`
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GIT merge error “commit is not possible because you have unmerged files”
so I forgot to pull my code before editing it and then when I committed the new code and tried to push, I got the error push is not possible, at that point I did a "git pull" which made some files with conflict highlighted. I removed the conflicts but I don't know what to do from here..
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How do I append one string to another in Python?
...000):s+='a'"
10 loops, best of 3: 89.5 msec per loop
So far so good, but then,
$ pypy -m timeit -s"s=''" "for i in xrange(100000):s+='a'"
10 loops, best of 3: 12.8 sec per loop
ouch even worse than quadratic. So pypy is doing something that works well with short strings, but performs poorly fo...
Structure padding and packing
...dividual member, by padding at end.
e.g if struct's largest member is long then divisible by 8, int then by 4, short then by 2.
Order of member:
The order of member might affect actual size of struct, so take that in mind.
e.g the stu_c and stu_d from example below have the same members, but in ...
htaccess redirect to https://www
...t check the correct environment variable %{HTTPS} off, but your rule above then prepends the www. Since you have a second rule to enforce www., don't use it in the first rule.
RewriteEngine On
RewriteCond %{HTTPS} off
# First rewrite to HTTPS:
# Don't put www. here. If it is already there it will b...
Implicit type conversion rules in C++ operators
...er-efficient char type. If the value of char + char is assigned to a char, then it can just do the arithmetic in char and for example wrap around. But if the result is assigned to int then it has to do the arithmetic in a type large enough to get the correct result when it's more than CHAR_MAX.
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Shortcut to create properties in Visual Studio?
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You could type "prop" and then press tab twice. That will generate the following.
public TYPE Type { get; set; }
Then you change "TYPE" and "Type":
public string myString {get; set;}
You can also get the full property typing "propfull" and then ...
When to throw an exception?
...n - it assumes that the object it is given is a list. If I hand it a NULL, then that assumption is false. In that case, if the function returns either true or false, then it is breaking its own rules. The function cannot return anything and claim that it answered the question correctly. So it doesn'...