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Which is preferred: Nullable.HasValue or Nullable != null?
...t itself that can equal null.
Likewise, we would get a compile time error from:
int? val = new int?();
val.Value = null;
not to mention that val.Value is a read-only property anyway, meaning we can't even use something like:
val.Value = 3;
but again, polymorphous overloaded implicit conversio...
Bootstrap modal appearing under background
I have used the code for my modal straight from the Bootstrap example, and have included only the bootstrap.js (and not bootstrap-modal.js). However, my modal is appearing underneath the grey fade (backdrop) and is non editable.
...
Gradle buildscript dependencies
...cies that are put on the classpath of your build and that you can refer to from your build file. For instance extra plugins that exist on the internet.
The repositories on the root level are used to fetch the dependencies that your project depends on. So all the dependencies you need to compile you...
How can I properly handle 404 in ASP.NET MVC?
...
The code is taken from http://blogs.microsoft.co.il/blogs/shay/archive/2009/03/06/real-world-error-hadnling-in-asp-net-mvc-rc2.aspx and works in ASP.net MVC 1.0 as well
Here's how I handle http exceptions:
protected void Application_Error(o...
What's the best name for a non-mutating “add” method on an immutable collection?
...an to assume incorrectly he knows what Add does.
Other operations borrowed from functional languages often keep their original names, with no apparent catastrophes. I haven't seen any push to come up with synonyms for "map" and "reduce" that sound more familiar to non-FPers, nor do I see any benefi...
“git pull” or “git merge” between master and development branches
...d a develop branch for working on a few changes. I need to merge changes from master into develop , but will eventually merge everything from develop into master . I have two different workflows in mind:
...
How unique is UUID?
... for distributed
applications, so that UUIDs do not clash even when data from many
devices is merged, the randomness of the seeds and generators used on
every device must be reliable for the life of the application. Where
this is not feasible, RFC4122 recommends using a namespace variant
i...
How to split one string into multiple variables in bash shell? [duplicate]
...
Apart from being an ugly last-resort solution, this has a bug: You should absolutely use double quotes in echo "$STR" unless you specifically want the shell to expand any wildcards in the string as a side effect. See also stackove...
How to read from stdin line by line in Node
...
You can use the readline module to read from stdin line by line:
var readline = require('readline');
var rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
terminal: false
});
rl.on('line', function(line){
console.log(line);
}...
get list from pandas dataframe column
...
Example conversion:
Numpy Array -> Panda Data Frame -> List from one Panda Column
Numpy Array
data = np.array([[10,20,30], [20,30,60], [30,60,90]])
Convert numpy array into Panda data frame
dataPd = pd.DataFrame(data = data)
print(dataPd)
0 1 2
0 10 20 30
1 20 30 60
2 ...