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Is GridFS fast and reliable enough for production?
... this server since it's up and running. The resize and store stuff is done by a simple php script... but for sure, a python script, or something like java could be faster.
Current data size : 11.23g
Current storage size : 12.5g
Indices : 5
Index size : 849.65m
About the reliability : This is ve...
Unable to Cast from Parent Class to Child Class
..., that actually is not true.
Let's take a revised start and try proving it by examples.
As we know in .net all castings have two broad categories.
For Value type
For Reference type (in your case its reference type)
Reference type has further three main situational cases in which any scenario c...
PowerShell: Setting an environment variable for a single command only
...er executing the command. I've accomplished this for common commands I use by adding functions similar to the following to my PowerShell profile.
function cmd_special()
{
$orig_master = $env:app_master
$env:app_master = 'http://host.example.com'
mycmd $args
$env:app_master = $orig_master
}
...
How to create a directory if it doesn't exist using Node.js?
... doesn't exist.
It should have full permission for the script and readable by others.
17 Answers
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Changing navigation title programmatically
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You change the title by changing the title of the view controller being displayed:
viewController.title = "some title"
Normally this is done in view did load on the view controller:
override func viewDidLoad() {
super.viewDidLoad()
se...
What are the differences between Clojure, Scheme/Racket and Common Lisp?
...mphasis on immutability and lazy functional programming, somewhat inspired by Haskell
Strong concurrency capabilities supported by software transactional memory at the language level (worth watching: http://www.infoq.com/presentations/Value-Identity-State-Rich-Hickey)
Scheme distinctive features:
...
How to get Visual Studio to open Resolve Conflicts window after a TFS Get
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You can re open the Resolve Conflicts window if you closed it by mistake from Team Explorer. Goto: Pending Changes, then from the Actions drop down, select Resolve Conflicts.
From there you can click Get All Conflicts.
Normally VS will prompt you to resolve any conflicts as soon as yo...
What does “default” mean after a class' function declaration?
...member. This is useful because the move constructor isn't always generated by default (e.g. if you have a custom destructor), unlike the copy constructor (and likewise for assignment), but if there's nothing non-trivial to write, it's better to let the compiler handle it than to spell it out yoursel...
What are the recommendations for html tag?
...ML5 and target HTML5 compatible browsers only, then you should be all fine by using a relative URI in the <base> tag.
As to using named/hash fragment anchors like <a href="#anchor">, query string anchors like <a href="?foo=bar"> and path fragment anchors like <a href=";foo=ba...
C pointer to array/array of pointers disambiguation
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So, for 32 bit systems: int* arr[8]; /* 8x4 bytes allocated, for each pointer / int (*arr)[8]; / 4 bytes allocated, only a pointer */
– George
May 13 '09 at 18:43
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