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Is there a command to refresh environment variables from the command prompt in Windows?
...s a concatenation of the user and the system PATH variables.
I'm not sure what the general rule is for conflicting variables between user and system, so I elected to make user override system, except in the PATH variable which is handled specifically.
I use the weird vbs+bat+temporary bat mechanis...
How do I specify local .gem files in my Gemfile?
...setup a local gem server (geminabox, stickler) for that purpose.
However, what I found to be much simpler is to use a local gem "server" from file system:
Just put your .gem files in a local directory, then use "gem generate_index" to make it a Gem repository
mkdir repo
mkdir repo/gems
cp *.gem re...
Adding a new array element to a JSON object
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What if our JSON doesn't have a name like theTeam, but instead only contains nodes with the elements teamId & status? so mine would look like: var str = '[{"teamId":"1","status":"pending"}, {"teamId":"2","status":"member"...
Does every Core Data Relationship have to have an Inverse?
...ge at the moment that I'm writing this) for a more thorough explanation of what the docs mean when they say that inverse relationships help maintain data integrity.
– Mark Amery
Jul 3 '13 at 22:02
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jQuery.inArray(), how to use it right?
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inArray returns the index of the element in the array, not a boolean indicating if the item exists in the array. If the element was not found, -1 will be returned.
So, to check if an item is in the array, use:
if(jQuery.inArray("test", mya...
Lightweight Java Object cache API [closed]
I'm looking for a Java in-memory object caching API. Any recommendations? What solutions have you used in the past?
7 Answe...
Color text in terminal applications in UNIX [duplicate]
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@mf_ what you typed probably is not what you meant... what you typed won't work because things within quotes aren't handled by the preprocessor.
– mah
Dec 12 '17 at 23:36
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ConcurrentHashMap vs Synchronized HashMap
What is the difference between using the wrapper class, SynchronizedMap , on a HashMap and ConcurrentHashMap ?
12 Ans...
how can you easily check if access is denied for a file in .NET?
... later and makes it easy for this kind of bug to make it into production.
What this means is that you still have to be able to handle the exception if file permissions or existence are bad, in spite of your check. Exception handling code is required, whether or not you check for the permissions of ...
SQLAlchemy: Creating vs. Reusing a Session
...Session objects when you need them.
Next part. I think the question is, what's the difference between making a new Session() at various points versus just using one all the way through. The answer, not very much. Session is a container for all the objects you put into it, and then it also keep...