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How to prevent Node.js from exiting while waiting for a callback?
...is_event',callback).
has executed. This call is part of the code written by the module developer .
If a module is a quick port from a synchronous/blocking version, this may not happen til some part of the operation has completed and all the queues might empty before that occurs, allowing node to...
Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta
... doesn't help, do the export/import sequence.
Picture for XCode 4.6 added by WP
Edit for XCode 5.0 or newer:
Open XCode -> Preferences ('Command' + ',')
Select the Apple ID from the list.
Click on the SETTING icon near the bottom-left corner of window, and choose EXPORT ACCOUNTS... Xcode a...
Check number of arguments passed to a Bash script
...n [[ ]] with its arithmetic operators like -eq, -ne, -lt, -le, -gt, or -ge by placing the expression as a single string argument:
A=1
[[ 'A + 1' -eq 2 ]] && echo true ## Prints true.
That should be helpful if you would need to combine it with other features of [[ ]] as well.
Take note that...
What is reflection and why is it useful?
...pection. Reflection is then the
ability to make modifications at runtime by making use of
introspection. The distinction is necessary here as some languages
support introspection, but do not support reflection. One such example
is C++
...
SSO with CAS or OAuth?
...t is about letting the user to control how their resources may be accessed by third-parties. Two very different use-cases.
To the context you described, CAS is probably the right choice.
[updated]
That said, you can implement SSO with OAuth, if you consider the identity of the user as a secured r...
Quicksort vs heapsort
...'t need more memory for another array to putting ordered data as is needed by Mergesort. So why do comercial applications stick with Quicksort? What Quicksort has that is so special over others implementations?
I've tested the algorithms myself and I've seen that Quicksort has something special ind...
Visual Studio refuses to forget breakpoints?
... breakpoints in the application. Here, you select and clear the breakpoint by clicking the Delete button from the toolbar on the Breakpoints pane.
– jams
May 12 '11 at 20:50
...
AES Encryption for an NSString on the iPhone
...ollow-up question on using Base64 encoding for representing encrypted data bytes as a string (if desired) using safe, lossless conversions.
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Why is the parent div height zero when it has floated children
...it were empty).
Setting overflow: hidden on the container will avoid that by establishing a new block formatting context. See methods for containing floats for other techniques and containing floats for an explanation about why CSS was designed this way.
...
Best way to write to the console in PowerShell
...st to dump everything that falls out of a pipeline without being picked up by another pipeline element or being assigned to a variable (or redirected) into Out-Host. What Out-Host does is obviously host-dependent.
Just letting things fall out of the pipeline is not a substitute for Write-Host which...