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bash HISTSIZE vs. HISTFILESIZE?
... lines.
You write 50 lines.
At the end of your 50 commands, only commands 41 to 50 are in your history list, whose size is determined by HISTSIZE=10.
You end your session.
Assuming histappend is not enabled, commands 41 to 50 are saved to your HISTFILE which now has the 10 commands it held at the ...
Override devise registrations controller
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answered Aug 24 '10 at 4:25
theTRONtheTRON
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What's “requestCode” used for on PendingIntent?
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answered Feb 3 '14 at 12:04
Minhaj ArfinMinhaj Arfin
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Why does casting int to invalid enum value NOT throw exception?
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When does invoking a member function on a null instance result in undefined behavior?
...pointer results in undefined behavior" is mentioned in notes in both §1.9/4 and §8.3.2/4, it's never explicitly stated. (Notes are non-normative.)
However, one can try to deduced it from §3.10/2:
An lvalue refers to an object or function.
When dereferencing, the result is an lvalue. A nul...
Using the field of an object as a generic Dictionary key
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answered Mar 11 '09 at 14:49
Marc Gravell♦Marc Gravell
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Split delimited strings in a column and insert as new rows [duplicate]
... of doing it..
df <- read.table(textConnection("1|a,b,c\n2|a,c\n3|b,d\n4|e,f"), header = F, sep = "|", stringsAsFactors = F)
df
## V1 V2
## 1 1 a,b,c
## 2 2 a,c
## 3 3 b,d
## 4 4 e,f
s <- strsplit(df$V2, split = ",")
data.frame(V1 = rep(df$V1, sapply(s, length)), V2 = unlist(...
Is it possible to make relative link to image in a markdown file in a gist?
...markandmarkand
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What does CultureInfo.InvariantCulture mean?
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JohnBJohnB
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Are there other whitespace codes like   for half-spaces, em-spaces, en-spaces etc useful in HTML
...space : &#8239; (no character reference available)
en space : &#8194; or &ensp;
em space : &#8195; or &emsp;
3-per-em space : &#8196; or &emsp13;
4-per-em space : &#8197; or &emsp14;
6-per-em space : &#8198; (no character reference available)
figure space : &...