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Case insensitive string as HashMap key
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How about contains, putAll, etc.?
– assylias
Sep 25 '12 at 17:26
14
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IPC performance: Named Pipe vs Socket
...(processAin, processAout, processBin, processBout, processCin, processCout etc)
Or you can go hybrid as always :)
Named pipes are quite easy to implement.
E.g. I implemented a project in C with named pipes, thanks to standart file input-output based communication (fopen, fprintf, fscanf ...) it ...
Fastest way to find second (third…) highest/lowest value in vector or column
...ightly more general function, which can be used to find the 2nd, 3rd, 4th (etc.) max:
maxN <- function(x, N=2){
len <- length(x)
if(N>len){
warning('N greater than length(x). Setting N=length(x)')
N <- length(x)
}
sort(x,partial=len-N+1)[len-N+1]
}
maxN(1:10)
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How do you change the size of figures drawn with matplotlib?
...yplot), you can use figure(num=1, figsize=(8, 6), ...) to change it's size etc. If you're using pyplot/pylab and show() to create a popup window, you need to call figure(num=1,...) before you plot anything - pyplot/pylab creates a figure as soon as you draw something, and the size of the popup appea...
SyntaxError: Use of const in strict mode
... followed this step and the one changing the softlink /usr/bin/node from /etc/alternatives/node to /usr/local/n/versions/node/8.0.0/bin/node and everything just worked. Thank you for this!
– Brian Layman
Jun 2 '17 at 19:28
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Where do I find old versions of Android NDK? [closed]
...dows.zip
on the address bar of your browser
The revision names (r7c, r8c etc.) could be found from the ndk download page
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How can you speed up Eclipse?
...ory Eclipse will get (in simple terms). With -Xmx4g, it gets 4 GB of RAM, etc.
Note:
Referring to the jvm.dll has advantages:
Splash screen coming up sooner.
Eclipse.exe in the process list instead of java.exe.
Firewalls: Eclipse wants access to the Internet instead of Java.
Window management b...
Renaming files in a folder to sequential numbers
... n f; do mv -n "$f" "$n.ext"; done
You can change .ext with .png, .jpg, etc.
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Dynamically select data frame columns using $ and a character value
...alise that $, like everything else in R, (including for instance ( , + , ^ etc) is a function, that takes arguments and is evaluated. df$V1 could be rewritten as
`$`(df , V1)
or indeed
`$`(df , "V1")
But...
`$`(df , paste0("V1") )
...for instance will never work, nor will anything else that...
How to use 'find' to search for files created on a specific date? [closed]
... could do this:
find ./ -type f -ls |grep '10 Sep'
Example:
[root@pbx etc]# find /var/ -type f -ls | grep "Dec 24"
791235 4 -rw-r--r-- 1 root root 29 Dec 24 03:24 /var/lib/prelink/full
798227 288 -rw-r--r-- 1 root root 292323 Dec 24 23:53 /var/log/sa/sar24
797244...