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Can I use a function for a default value in MySql?
...ving a DEFAULT value. How would one change this answer to only set the key if the value was NULL?
– ToolmakerSteve
Apr 1 '15 at 17:38
1
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Python debugging tips [closed]
...s possible to execute arbitrary Python expressions using pdb. For example, if you find a mistake, you can correct the code, then type a type expression to have the same effect in the running code
ipdb is a version of pdb for IPython. It allows the use of pdb with all the IPython features including ...
Preferred order of writing latitude & longitude tuples in GIS services
...
EPSG:4326 specifically states that the coordinate order should be latitude, longitude. Many software packages still use longitude, latitude ordering. This situation has wreaked unimaginable havoc on project deadlines and programmer sanity....
How to delete a character from a string using Python
...te a new string. You have a few options of how to create the new string. If you want to remove the 'M' wherever it appears:
newstr = oldstr.replace("M", "")
If you want to remove the central character:
midlen = len(oldstr)/2 # //2 in python 3
newstr = oldstr[:midlen] + oldstr[midlen+1:]
Yo...
What does passport.session() middleware do?
...hilst the other answers make some good points I thought that some more specific detail could be provided.
app.use(passport.session());
is equivalent to
app.use(passport.authenticate('session'));
Where 'session' refers to the following strategy that is bundled with passportJS.
https://github....
Ruby 'require' error: cannot load such file
...
Just do this:
require_relative 'tokenizer'
If you put this in a Ruby file that is in the same directory as tokenizer.rb, it will work fine no matter what your current working directory (CWD) is.
Explanation of why this is the best way
The other answers claim you sho...
How to remove leading and trailing white spaces from a given html string?
...regex approach. The trim method is effectively just an alias for a regex:
if(!String.prototype.trim) {
String.prototype.trim = function () {
return this.replace(/^\s+|\s+$/g,'');
};
}
... this will inject the method into the native prototype for those browsers who are still swimm...
How to prevent moment.js from loading locales with webpack?
...sh) when you're using webpack? I'm looking at the source and it seems that if hasModule is defined, which it is for webpack, then it always tries to require() every locale. I'm pretty sure this needs a pull request to fix. But is there any way we can fix this with the webpack config?
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Ruby function to remove all white spaces?
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If you want to remove only leading and trailing whitespace (like PHP's trim) you can use .strip, but if you want to remove all whitespace, you can use .gsub(/\s+/, "") instead .
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Why does ASP.NET webforms need the Runat=“Server” attribute?
Why do I have to specify runat="server" on all my ASP.NET controls when it is a mandatory attribute and server is the only option available in my limited knowledge of ASP.NET, and I get an error if I don't use it?
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