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MySQL, better to insert NULL or empty string?
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Might be worth updating the answer to include info from the link posted by Quassnoi
– SamuelKDavis
Mar 5 '14 at 20:48
7
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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
3
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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
2
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What is “entropy and information gain”?
...so with fewer bits. The same applies if each flash is independent (context-free), but green flashes are more common than red: the more skewed the probability the fewer bits you need to describe the sequence, and the less information it contains, all the way to the all-green, bulb-burnt-out limit.
I...
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...
What is the difference between compile and link function in angularjs
...the elements you are passing to $compile SERVICE originally were directive-free (e.g. they came from a template you defined, or you just created them with angular.element()), then the end result is pretty much the same as before (though you may be repeating some work). However, if the element had ot...