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How do I strip non alphanumeric characters from a string and keep spaces?
... nil if nothing was matched. Probably not the result you'd want or expect. From the docs "Performs the substitutions of String#gsub in place, returning str, or nil if no substitutions were performed. If no block and no replacement is given, an enumerator is returned instead."
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Is volatile expensive?
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If you look at the 2 references to getstatic, the first involves a load from memory, the second skips the load as the value is reused from the register(s) it is already loaded into (long is 64 bit and on my 32 bit laptop it uses 2 registers).
If we make the l variable volatile the resulting asse...
MVC Razor dynamic model, 'object' does not contain definition for 'PropertyName'
...ving internal properties
It is perfectly possible to pass anonymous types from a view to a partial view
I encountered the same problem today and it was nothing (directly) to do with the problem of passing anonymous types and their inherent internal properties.
As such, in relation to the OPs ques...
Return multiple columns from pandas apply()
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This is an old question, but for completeness, you can return a Series from the applied function that contains the new data, preventing the need to iterate three times. Passing axis=1 to the apply function applies the function sizes to each row of the dataframe, returning a series to add to a n...
How to get diff working like git-diff?
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Install colordiff from your apt/yum/pacman repository and use it.
– iBug
Jul 29 '18 at 8:14
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Cannot import the keyfile 'blah.pfx' - error 'The keyfile may be password protected'
...look like
sn -i companyname.pfx VS_KEY_3E185446540E7F7A
This must be run from the location of your PFX file, if you have the solution loaded in VS 2010 you can simply right click on the pfx file from the solution explorer and choose Open Command Prompt which will launch the .net 2010 cmd prompt to...
How is set() implemented?
...ce code for set which, according to Achim Domma, is mostly a cut-and-paste from the dict implementation.
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Why / when would it be appropriate to override ToString?
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I'm just going to give you the answer straight from the Framework Design Guidelines from the .NET Development Series.
AVOID throwing exceptions from ToString
CONSIDER returning a unique string associated with the instance.
CONSIDER having the output of ToString be a ...
Advantages and disadvantages of GUID / UUID database keys
...ORM's usually like them
Unique across applications. So We can use the PK's from our CMS (guid) in our app (also guid) and know we are NEVER going to get a clash.
Disadvantages:
Larger space use, but space is cheap(er)
Can't order by ID to get the insert order.
Can look ugly in a URL, but really,...
How to delete an element from an array in C#
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Removing from an array itself is not simple, as you then have to deal with resizing. This is one of the great advantages of using something like a List<int> instead. It provides Remove/RemoveAt in 2.0, and lots of LINQ extensi...