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Amazon EC2, mysql aborting start because InnoDB: mmap (m>x m> bytes) failed; errno 12
...oes to the blog author pmoubed:
Amazon EC2 Micro Instance Swap Space - Linum>x m>
I have a Amazon EC2 Linum>x m> Micro instance. Since Micro instances have only 613MB of memory, MySQL crashed every now and then. After a long search about MySQL, Micro Instance and Memory Managment I found out there is no defau...
Get type of all variables
...the value rather than the character name of the object as returned by ls:
m>x m> <- 1L
typeof(ls())
[1] "character"
typeof(get(ls()))
[1] "integer"
Alternatively, for the problem as presented you might want to use eapply:
eapply(.GlobalEnv,typeof)
$m>x m>
[1] "integer"
$a
[1] "double"
$b
[1] "charact...
Are +0 and -0 the same?
... +0 = 0. However, in computing, some number representations allow for the em>x m>istence of two zeros, often denoted by −0 (negative zero) and +0 (positive zero). This occurs in some signed number representations for integers, and in most floating point number representations. The number 0 is usually e...
git merge: apply changes to code that moved to a different file
...ork to match the target file organization.
Say that you modified original.tm>x m>t on your branch (the local branch), but on the master branch, original.tm>x m>t has been copied to another one, say copy.tm>x m>t.
This copy has been done in a commit that we name commit CP.
You want to apply all your local changes, ...
Java; String replace (using regular em>x m>pressions)?
...
ah... but you missed collapsing the "5 * m>x m>" to "5m>x m>"
– James Curran
Mar 10 '09 at 20:53
...
Simple basic em>x m>planation of a Distributed Hash Table (DHT)
Could any one give an em>x m>planation on how a DHT works?
3 Answers
3
...
Increase distance between tem>x m>t and title on the y-am>x m>is
The y-am>x m>is title appears too close to the am>x m>is tem>x m>t.
2 Answers
2
...
Efficient way to apply multiple filters to pandas DataFrame or Series
...
Pandas (and numpy) allow for boolean indem>x m>ing, which will be much more efficient:
In [11]: df.loc[df['col1'] >= 1, 'col1']
Out[11]:
1 1
2 2
Name: col1
In [12]: df[df['col1'] >= 1]
Out[12]:
col1 col2
1 1 11
2 2 12
In [13]: df[(df['c...
Detecting iOS / Android Operating system
... mode u can test it on desktop browsers.
– DaFunkyAlem>x m>
Jul 13 '15 at 8:47
4
@feeela sometimes the...
omp parallel vs. omp parallel for
...k there is any difference, one is a shortcut for the other. Although your em>x m>act implementation might deal with them differently.
The combined parallel worksharing constructs are a shortcut for
specifying a parallel construct containing one worksharing construct
and no other statements. Perm...