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Does Dart support enumerations?
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how about this approach:
class FruitEnums {
static const String Apple = "Apple";
static const String Banana = "Banana";
}
class EnumUsageExample {
void DoSomething(){
var fruit = FruitEnums.Apple;
String message;
switch(fruit){
case(FruitEnums.Apple):
...
When to use a Content Provider
... if you don't intend to make it public.
It's good practice to provide the extra level of abstraction over your data to make it easier to change internally. What if you decide to change the underlying database structure at a later time? If you use a ContentProvider you can contain all the structur...
How can I correctly prefix a word with “a” and “an”?
...efix), otherwise you may need a special case for a completely-non matching string (such input should be very rare).
You probably can't get much better than this - and it'll certainly beat most rule-based systems.
Edit: I've implemented this in JS/C#. You can try it in your browser, or download t...
Normalize data in pandas
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If your dataframe has strings in some columns, see this answer
– netskink
Jul 22 '18 at 0:21
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Checking for NULL pointer in C/C++ [closed]
...ad and more explicit. I see where they're coming from, I just disagree the extra stuff makes it any easier. (I hate the macro, so I'm biased.) Up to you.
I disagree with your argument. If you're not getting warnings for assignments in a conditional, you need to turn your warning levels up. Simple a...
More elegant way of declaring multiple variables at the same time
...a list of flag values (True, False) mapped to flag names (single-character strings). You then transform this data definition into an inverted dictionary which maps flag names to flag values. This can be done quite succinctly with a nested list comprehension, but here's a very readable implementati...
Check if instance is of a type
...ype. For example, it can be determined if an object is compatible with the string type like this:
share
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Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
...) with $('p')[0] when using jQuery, for slightly shorter code.
Pros: any string can be dynamically inserted into the style
Cons: original styles aren't altered, just overridden; repeated (ab)use can make the DOM grow arbitrarily large
3) Alter a different DOM attribute
You can also to use att...
Sending Email in Android using JavaMail API without using the default/built-in app
...public class GMailSender extends javax.mail.Authenticator {
private String mailhost = "smtp.gmail.com";
private String user;
private String password;
private Session session;
static {
Security.addProvider(new com.provider.JSSEProvider());
}
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How do you use colspan and rowspan in HTML tables?
...t;
The next row is all 1x1 cells. But, for example, what if you added an extra cell? Well, it would just pop off the edge to the right.
<table>
<tr>
<td rowspan="2"></td>
<td colspan="4"></td>
</tr>
<tr>
<td&...