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If a folder does not exist, create it
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Use the below code as per http://forums.asp.net/p/1226236/2209871.aspx:
string subPath ="ImagesPath"; // your code goes here
bool exists = System.IO.Directory.Exists(Server.MapPath(subPath));
if(!exists)
System.IO.Directory.CreateDirectory(Server.MapPath(sub...
How do 20 questions AI algorithms work?
...get there you can click on the code link to see it: openbookproject.net/py4fun/animal/animal.html
– Noctis Skytower
Jul 1 '10 at 22:49
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Why do I get a warning icon when I add a reference to an MEF plugin project?
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Encountered the same issue with a ASP.Net Web App and two library class projects which needed to be referenced within the Web App. I had no information provided on why the build failed and the references were invalid.
Solution was to ensure all projects had...
Multiple cases in switch statement
...e(11,20).Contains(c))
DoAnotherThing();
But I think we can have more fun: since you won't need the return values and this action doesn't take parameters, you can easily use actions!
public static void MySwitchWithEnumerable(int switchcase, int startNumber, int endNumber, Action action)
{
...
How can I create an object and add attributes to it?
...to make a "bunch class", a very simple one already exists in Python -- all functions can have arbitrary attributes (including lambda functions). So, the following works:
obj = someobject
obj.a = lambda: None
setattr(obj.a, 'somefield', 'somevalue')
Whether the loss of clarity compared to the ven...
Should I size a textarea with CSS width / height or HTML cols / rows attributes?
...equired attribute for textarea on w3c.org. w3schools.com/tags/tag_textarea.asp w3.org/wiki/HTML/Elements/textarea
– Michael Stramel
Aug 13 '14 at 12:53
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How to use glob() to find files recursively?
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because 1-liners are fun: reduce(lambda x, y: x+y, map(lambda (r,_,x):map(lambda f: r+'/'+f, filter(lambda f: fnmatch.fnmatch(f, pattern), x)), os.walk('src/webapp/test_scripts')))
– njzk2
Aug 1 '16 at 18:07...
grepping using the “|” alternative operator
...mand resulted in the following error:
-bash: syntax error near unexpected token `|'
This error was corrected by changing my command to:
get "http://localhost/foobar-&" | grep "fizz\|buzz"
By escaping the & character with double quotes I was able to resolve my issue. The answer had noth...
Including JavaScript class definition from another file in Node.js
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i get an SyntaxError: Unexpected token export when i do as you described... i have node version v10.16.3
– thomas
Mar 6 at 15:57
add ...
Using a dispatch_once singleton model in Swift
...edInstance: Singleton {
struct Static {
static var onceToken: dispatch_once_t = 0
static var instance: Singleton? = nil
}
dispatch_once(&Static.onceToken) {
Static.instance = Singleton()
}
return Static.instance!
}
}...