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How do you match only valid roman numerals with a regular expression?
...|D?C{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})$
Breaking it down, M{0,4} specifies the thousands section and basically restrains it to between 0 and 4000. It's a relatively simple:
0: <empty> matched by M{0}
1000: M matched by M{1}
2000: MM matched by M{2}
3000: MMM matche...
Google Maps JS API v3 - Simple Multiple Marker Example
...lback argument to the addListener method. This can be quite a tricky topic if you are not familiar with how closures work. I would suggest checking out the following Mozilla article for a brief introduction if it is the case:
❯ Mozilla Dev Center: Working with Closures
...
How to tell which colorscheme a Vim session currently uses
...the name of the colour scheme.
Therefore, try this:
echo g:colors_name
If you get E121, it's either a poorly made colour scheme or it's the default one.
A shinier way of doing this is (for recent versions of vim):
function! ShowColourSchemeName()
try
echo g:colors_name
catch /^...
What's the difference between VARCHAR and CHAR?
What's the difference between VARCHAR and CHAR in MySQL?
14 Answers
14
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How to get file creation & modification date/times in Python?
I have a script that needs to do some stuff based on file creation & modification dates but has to run on Linux & Windows .
...
Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entit
...oes not exist. You can drag entities, associate them and so forth and yet, if you take a look at the SSDL on the EDMX file, you will see that none of the entities have an associated storage table in the SSDL.
That changes when you click the Generate Database From Model context menu item. The confus...
A more useful statusline in vim? [closed]
...change to your power line segments? could u update some default segment modification scripts? cheers
– Jerry Gao
May 8 '12 at 8:22
...
How to change webservice url endpoint?
...
To add some clarification here, when you create your service, the service class uses the default 'wsdlLocation', which was inserted into it when the class was built from the wsdl. So if you have a service class called SomeService, and you cr...
How to create a .NET DateTime from ISO 8601 format
...o be able to parse only a limited subset of it. Especially it is a problem if the string contains time zone specification. (Neither it does for basic ISO8601 formats, or reduced precision formats - however this is not exactly your case.) That is why I make use of custom format strings when it comes ...
Regex replace uppercase with lowercase letters
...t (e.g. lOWERCASE => lOwercase)
Find: ([A-Z])(\w+)
Replace: $1\L$2
Shift-right-uppercase (e.g. Case => cAse => caSe => casE)
Find: ([a-z\s])([A-Z])(\w)
Replace: $1\l$2\u$3
Shift-left-uppercase (e.g. CasE => CaSe => CAse => Case)
Find: (\w)([A-Z])([a-z\s])
Replace: \u$1\l...