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Making TextView scrollable on Android
I am displaying text in a textview that appears to be too long to fit
into one screen. I need to make my TextView scrollable. How can I do
that?
...
process.waitFor() never returns
...;
String line;
while ((line = reader.readLine()) != null)
System.out.println("tasklist: " + line);
process.waitFor();
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What is the difference between a 'closure' and a 'lambda'?
... the symbolic name (e.g. x), then a dot . before the expression. This then converts the expression into a function expecting one parameter.For example: λx.x+2 takes the expression x+2 and tells that the symbol x in this expression is a bound variable – it can be substituted with a value you suppl...
How to determine the version of the C++ standard used by the compiler?
...e, run the following code to check the version.
#include<iostream>
int main() {
if (__cplusplus == 201703L) std::cout << "C++17\n";
else if (__cplusplus == 201402L) std::cout << "C++14\n";
else if (__cplusplus == 201103L) std::cout << "C++11\n";
else if (__c...
C++ Structure Initialization
... don't get C++ programmers when it comes to being consistent and writing maintainable code, they seem to always want to do something different to make their code stand out, the code is meant to reflect the problem being solved it shouldn't be an idiom on its own, aim for reliability and ease of main...
Swift class introspection & generics
...based type using generics, however I am encountering difficulty with class introspection.
7 Answers
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&& (AND) and || (OR) in IF statements
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If we didn't have 'short-circuits' in Java, we'd receive a lot of NullPointerExceptions in the above lines of code.
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How to set cornerRadius for only top-left and top-right corner of a UIView?
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Pay attention to the fact that if you have layout constraints attached to it, you must refresh this as follows in your UIView subclass:
override func layoutSubviews() {
super.layoutSubviews()
roundCorners(corners: [.topLeft, .topRight], radius: 3.0)
}
If you don't do tha...
Django : How can I see a list of urlpatterns?
...om list_urls(lis[1:], acc)
for p in list_urls(urlconf.urlpatterns):
print(''.join(p))
This code prints all URLs, unlike some other solutions it will print the full path and not only the last node. e.g.:
admin/
admin/login/
admin/logout/
admin/password_change/
admin/password_change/done/
admi...
How to recursively list all the files in a directory in C#?
...need. Except as opposed to searching the files and comparing names, just print out the names.
It can be modified like so:
static void DirSearch(string sDir)
{
try
{
foreach (string d in Directory.GetDirectories(sDir))
{
foreach (string f in Directory.GetFiles(d)...