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Removing index column in pandas when reading a csv
... variable "efficiency" the index column is also tacked on. How can I get rid of the index column?
7 Answers
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When do you use map vs flatMap in RxJava?
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Observable.from(jsonFile).map(new Func1<File, String>() {
@Override public String call(File file) {
try {
return new Gson().toJson(new FileReader(file), Object.class);
} catch (FileNotFoundException e) {
// this exception is a part of rx-java
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How to reformat JSON in Notepad++?
...STool" from Plugin Manager in Notepad++.
New Notepad++ install and where did PluginManager go? See How to view Plugin Manager in Notepad++
{
"menu" : {
"id" : "file",
"value" : "File",
"popup" : {
"menuitem" : [{
"value" : "New",
"onclick" : "CreateNewDoc()"
...
What are the differences between vector and list data types in R?
...ructures is a sufficiently focused question for SO. To add to what Tommy said, besides lists being capable of holding an arbitrary number of other vectors there is the availability of dataframes which are a particular type of list that has a dimensional attribute which defines its structure. Unlike ...
jQuery Datepicker with text input that doesn't allow user input
...and jQuery will still be able to edit its contents.
<input type='text' id='foo' readonly='true'>
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Android Webview - Webpage should fit the device screen
...) getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
int width = display.getWidth();
Double val = new Double(width)/new Double(PIC_WIDTH);
val = val * 100d;
return val.intValue();
}
Then use
WebView web = new WebView(this);
web.setPadding(0, 0, 0, 0);
web.setInitialS...
Embed image in a element
...required for the button element, so technically <button /> is not valid, it should be <button></button>.
– Tamas Czinege
Aug 21 '15 at 16:47
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Example of Named Pipes
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namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
StartServer();
Task.Delay(1000).Wait();
//Client
var client = new NamedPipeClientStream("PipesOfPiece");
client.Connect();
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ASP.NET MVC - Should business logic exist in controllers?
...Service taxService, IOrdersRepository ordersRepository){...}
public void Show(int id){
ViewData["OrderTotal"] = ordersRepository.LoadOrder(id).CalculateTotal(taxService);
}
}
Or something like that.
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How do I rename a column in a database table using SQL?
...can do it with regular ALTER TABLE statement:
=> SELECT * FROM Test1;
id | foo | bar
----+-----+-----
2 | 1 | 2
=> ALTER TABLE Test1 RENAME COLUMN foo TO baz;
ALTER TABLE
=> SELECT * FROM Test1;
id | baz | bar
----+-----+-----
2 | 1 | 2
...