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Painless way to install a new version of R?
...ith all packages.
library(utils)
## Check necessary packages
load("G:\Setinfo\R\packagelist.RData") # includes a vector "pkgs"
installed <- pkgs %in% installed.packages()[, 'Package']
if (length(pkgs[!installed]) >=1){
install.packages(pkgs[!installed])
}
I make the packagelist.RData by ...
Waiting on a list of Future
...ll done
CompletableFuture.allOf(page1,page2,page3).join();
logger.info("--> " + page1.get());
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Default behavior of “git push” without a branch specified
...nly tells what to do and not how to do it. So I added my answer so all the info needed to set it up is on the same page.
– Christoffer
Oct 11 '11 at 9:46
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How to create and write to a txt file using VBA
...r the older channel method? I'd like some reasons to tell my students with info backed up by other experience.
– Rick Henderson
Jun 7 '16 at 16:40
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Rails: where does the infamous “current_user” come from?
...tween requests. See guides.rubyonrails.org/security.html#sessions for more info.
– Erik Peterson
Oct 4 '12 at 4:20
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mysqli or PDO - what are the pros and cons? [closed]
...he database, plus PHP is heading towards moving to PDO as a standard.
PDO Info
Scaling a Web Application
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answered Apr 20 '12 at 22:58
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PowerShell: Setting an environment variable for a single command only
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Generally, it would be better to pass info to the script via a parameter rather than a
global (environment) variable. But if that is what you need to do you can do it this way:
$env:FOO = 'BAR'; ./myscript
The environment variable $env:FOO can be deleted lat...
How do I enable MSDTC on SQL Server?
...n the registry: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSDTC\Security. More info on the properties here.
– Paul
Nov 2 '18 at 16:39
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How can one use multi threading in PHP applications
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like @e-info128 said, this implementation forks the process, which means that it is running on a different process, and does not share process resources. That being said, if the job at hand does not need to share resources, then this...
Is std::vector copying the objects with a push_back?
... that said, you should not use std::auto_ptr in stl containers, for more info : why-is-it-wrong-to-use-stdauto-ptr-with-standard-containers
– OriginalCliche
Apr 11 '13 at 18:48
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