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How to read environment variables in Scala
... you can use sys.env for the same effect:
scala> sys.env("HOME")
res0: String = /home/paradigmatic
I think is nice to use the Scala API instead of Java. There are currently several project to compile Scala to other platforms than JVM (.NET, javascript, native, etc.) Reducing the dependencies o...
Get pandas.read_csv to read empty values as empty string instead of nan
...das library to read in some CSV data. In my data, certain columns contain strings. The string "nan" is a possible value, as is an empty string. I managed to get pandas to read "nan" as a string, but I can't figure out how to get it not to read an empty value as NaN. Here's sample data and outp...
HTTP POST with URL query parameters — good idea or not? [closed]
... client, then something's wrong.
I agree that sending a POST with a query string but without a body seems odd, but I think it can be appropriate in some situations.
Think of the query part of a URL as a command to the resource to limit the scope of the current request. Typically, query strings ar...
How to handle checkboxes in ASP.NET MVC forms?
... foreach (Guid guid in selectedObjects) {
Response.Write(guid.ToString());
}
Response.End();
return (new EmptyResult());
}
This example will just write the GUIDs of the boxes you checked; ASP.NET MVC maps the GUID values of the selected checkboxes into the Guid[] selectedObj...
Debugging Package Manager Console Update-Database Seed Method
...figuration<TContext>();
Database.Delete("TestDatabaseNameOrConnectionString");
var databaseMigrator = new DbMigrator(configuration);
databaseMigrator.Update();
Database.Delete("TestDatabaseNameOrConnectionString");
But be careful not to run this against your development database!
...
How to add text inside the doughnut chart using Chart.js?
...t) {
if (chart.config.options.elements.center) {
// Get ctx from string
var ctx = chart.chart.ctx;
// Get options from the center object in options
var centerConfig = chart.config.options.elements.center;
var fontStyle = centerConfig.fontStyle || 'Arial';
var...
MVC 5 Seed Users and Roles
...thod in Migrations>Configurations.cs.
// role (Const.getRoles() return string[] whit all roles)
var RoleManager = new RoleManager<IdentityRole>(new RoleStore<IdentityRole>(context));
for (int i = 0; i < Const.getRoles().Length; i++)
{
if (RoleManager.RoleExist...
How to replace all strings to numbers contained in each string in Notepad++?
...f you had two capture groups, for example (.*)="(\d+)", $1 will return the string value and $2 will return the number.
So by using:
Find: .*"(\d+)"
Replace: $1
It will return you
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Please note that there many alternate and better ways of matching the aforementioned pattern....
Display back button on action bar
... android:name="com.example.myfirstapp.SubActivity"
android:label="@string/title_activity_display_message"
android:parentActivityName="com.example.myfirstapp.MainActivity" >
<!-- Parent activity meta-data to support 4.0 and lower -->
<meta-data
...
How to use if statements in underscore.js templates?
...coming of the technique proposed in this answer is that you're stuck doing string interpolation all over again, which templates are supposed to solve for you. As of right now, _.template inserts a ; at the start of each compiled code tag. Thus, it can handle tags breaking between statements, but not...