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Best practices when running Node.js with port 80 (Ubuntu / Linode) [closed]
....
This allows port 80/443 to remain protected, while still preventing you from serving requests as root:
function drop_root() {
process.setgid('nobody');
process.setuid('nobody');
}
A full working example using the above function:
var process = require('process');
var http = require('ht...
Specify custom Date format for colClasses argument in read.table/read.csv
...ion as part of the colClasses.
Try:
setAs("character","myDate", function(from) as.Date(from, format="%d/%m/%Y") )
tmp <- c("1, 15/08/2008", "2, 23/05/2010")
con <- textConnection(tmp)
tmp2 <- read.csv(con, colClasses=c('numeric','myDate'), header=FALSE)
str(tmp2)
Then modify if needed...
Loader lock error
...on of Mixed Assemblies.
To ensure your mixed mode assembly can be loaded from a native executable, the only thing you need to check is that DllMain method is declared as native code. #pragma unmanaged could help here:
#pragma unmanaged
BOOL APIENTRY DllMain(HMODULE hModule,
DWORD ul_reason_...
Python Regex - How to Get Positions and Values of Matches
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@hi-angel yep, see my answer below from last year that does just that
– StevenWernerCS
Jul 16 at 1:03
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python location on mac osx
...ypical for a python.org installed Python instance or it could be one built from source.
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How can two strings be concatenated?
...("GAD", "AB")
library(stringr)
str_c(tmp, collapse = ",")
# [1] "GAD,AB"
From its documentation file description, it fits this problem nicely.
To understand how str_c works, you need to imagine that you are building up a matrix of strings. Each input argument forms a column, and is expanded to...
How does the NSAutoreleasePool autorelease pool work?
... use autorelease pools directly. Instead, you use @autoreleasepool blocks. From developer.apple.com/library/mac/#documentation/Cocoa/Reference/…
– Md Mahbubur Rahman
Mar 28 '13 at 6:11
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Static constant string (class member)
...lass definition) is only allowed with integral and enum types.
Starting from C++17 you have another option, which is quite similar to your original declaration: inline variables
// In a header file (if it is in a header file in your case)
class A {
private:
inline static const string ...
UICollectionView reloadData not functioning properly in iOS 7
...l UIKit related messages. I seem to run into this when popping to the view from another view controller. I refresh the data on viewWillAppear. I could see the data and collection view reload call, but the UI was not updated. Forced the main thread (UI thread), and it magically starts working. Th...
Is short-circuiting logical operators mandated? And evaluation order?
... @Joe: but return value and arguments of the operator may change from boolean to something else. I used to implement "special" logic with THREE values ("true", "false" and "unknown"). Return value is deterministic, but short-circuiting behaviour is not appropriate.
– ...