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What is the memory consumption of an object in Java?
...compiler might decide to store a boolean[] in 64-bit long chunks like a BitSet. It does not have to tell you, so long as the program gives the same answers.
It might allocate some temporary Objects on the stack.
It may optimize some variables or method calls totally out of existence repla...
Node.js on multi-core machines
...ncluded the cluster module straight out of the box, which makes it easy to set up multiple node workers that can listen on a single port. Note that this is NOT the same as the older learnboost "cluster" module available through npm.
if (cluster.isMaster) {
// Fork workers.
for (var i = 0; i <...
How to install ia32-libs in Ubuntu 14.04 LTS (Trusty Tahr)
...far, but it still doesn't satisfy package dependencies that are explicitly set to ia32-libs.
– quickthyme
Jul 31 '14 at 22:25
7
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What is the difference between Scala's case class and class?
...y are printed (minus spaces).
And they can also be used with hash maps or sets, since they have a valid, stable hashCode.
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How do I get NuGet to install/update all the packages in the packages.config?
...ant to use the solution package restore feature). You do, however, need to set an environment variable EnableNuGetPackageRestore for this purpose. I set it in my psake script before calling "nuget install packages.config" like so: $env:EnableNuGetPackageRestore = "true". This sets the var for the PS...
How can I click a button behind a transparent UIView?
...u should also check the alpha of the view. Quite often I'll hide a view by setting the alpha to zero. A view with zero alpha should act like a hidden view.
– James Andrews
Dec 3 '13 at 17:19
...
How do I grab an INI value within a shell script?
...ing with a space around =
ini=( ${ini[*]/#\\[/\}$'\n'cfg.section.} ) # set section prefix
ini=( ${ini[*]/%\\]/ \(} ) # convert text2function (1)
ini=( ${ini[*]/=/=\( } ) # convert item to array
ini=( ${ini[*]/%/ \)} ) # close array parenthesis
ini=( ${ini[*]/%\\ \)/ \\}...
How to implement WiX installer upgrade?
...er one. That's what the Maximum field is for. When we build installers, we set UpgradeVersion Maximum to the version being built, but IncludeMaximum="no" to prevent this scenario.
You have choices regarding the scheduling of RemoveExistingProducts. I prefer scheduling it after InstallFinalize (rath...
JavaScript for…in vs for
... Yes there is. Properties are not variables; they do have get/set code.
– ste
May 25 '10 at 13:11
12
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MongoDB - admin user not authorized
...so scratching my head around the same issue, and everything worked after I set the role to be root when adding the first admin user.
use admin
db.createUser(
{
user: 'admin',
pwd: 'password',
roles: [ { role: 'root', db: 'admin' } ]
}
);
exit;
If you have already created the admin...