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MySQL, better to insert NULL or empty string?
...all these values, is it better practice to insert a NULL value or an empty string into the DB columns where the user didn't put any data?
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Android: Want to set custom fonts for whole application not runtime
...able name="TypefacedTextView">
<attr name="typeface" format="string" />
</declare-styleable>
</resources>
After that, create your custom widget:
package your.package.widget;
public class TypefacedTextView extends TextView {
public TypefacedTextView(Context c...
Limit the length of a string with AngularJS
...max (integer) - max length of the text, cut to this number of chars,
tail (string, default: ' …') - add this string to the input
string if the string was cut.
Another solution: http://ngmodules.org/modules/angularjs-truncate (by @Ehvince)
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How to set different label for launcher rather than activity title?
...ent.html
<activity
android:name=".ui.HomeActivity"
android:label="@string/title_home_activity"
android:icon="@drawable/icon">
<intent-filter android:label="@string/app_name">
<action android:name="android.intent.action.MAIN" />
<category android:name="android.in...
What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
...a slight edge:
static void Main() {
var d = new Dictionary<string, string> {{"a", "b"}};
var start = DateTime.Now;
for (int i = 0; i != 10000000; i++) {
string x;
if (!d.TryGetValue("a", out x)) throw new ApplicationException("Oops");
...
How to split() a delimited string to a List
...
string.Split() returns an array - you can convert it to a list using ToList():
listStrLineElements = line.Split(',').ToList();
Note that you need to import System.Linq to access the .ToList() function.
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Interface type check with Typescript
... keyword as you can write custom type guards now:
interface A{
member:string;
}
function instanceOfA(object: any): object is A {
return 'member' in object;
}
var a:any={member:"foobar"};
if (instanceOfA(a)) {
alert(a.member);
}
Lots of Members
If you need to check a lot of members...
How to get the position of a character in Python?
How can I get the position of a character inside a string in python?
9 Answers
9
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How to compare software version number using js? (only number)
...mparison would be to use Array.split to get arrays of parts from the input strings and then compare pairs of parts from the two arrays; if the parts are not equal we know which version is smaller.
There are a few of important details to keep in mind:
How should the parts in each pair be compared?...
Changing names of parameterized tests
...se change the name of parameterized tests, you say:
@Parameters(name="namestring")
namestring is a string, which can have the following special placeholders:
{index} - the index of this set of arguments. The default namestring is {index}.
{0} - the first parameter value from this invocation of...