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JavaScript style for optional callbacks
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ECMAScript 6
// @param callback Default value is a noop fn.
function save(callback = ()=>{}) {
// do stuff...
callback();
}
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What does the Ellipsis object do?
...s for python 3.6+) also (now) uses it. fastapi.tiangolo.com/tutorial/query-params-str-validations
– Andrew Allaire
Jul 17 '19 at 18:02
3
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How do I disable orientation change on Android?
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the third param - screenSize cannot be found in 2.3.x , should i change to screenLayout?
– deadfish
Apr 23 '12 at 10:45
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Fragment MyFragment not attached to Activity
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}
@Override
protected Void doInBackground(Void... params) {
try {
Thread.sleep(2000);
} catch (InterruptedException ex) {}
return null;
}
@Override
protected void onPostExecute(Void result){
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Best way to represent a fraction in Java?
...ay be a floating-
* point decimal number, which in the same format as a parameter to the
* <code>BigDecimal(String)</code> constructor.
*
* @throws NumberFormatException if the string cannot be properly parsed.
*/
public BigFraction(String s)
{
int slashPos = s.i...
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
...ile using yeoman's angular-fullstack generated project and removing the IP parameter worked for me.
I replaced this code
server.listen(config.port, config.ip, function () {
console.log('Express server listening on %d, in %s mode', config.port, app.get('env'));
});
with
server.listen(config.p...
How can I view a git log of just one user's commits?
...t way...
You can filter commits by author in the commit view by appending param ?author=github_handle. For example, the link https://github.com/dynjs/dynjs/commits/master?author=jingweno shows a list of commits to the Dynjs project
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How do I use DateTime.TryParse with a Nullable?
... out by some bad hoor) extension methods that attempt to change the "this" parameter will not work with Value Types.
P.S. The Bad Hoor in question is an old friend :)
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Merging dictionaries in C#
...other1, other2, ...)
public static T MergeLeft<T,K,V>(this T me, params IDictionary<K,V>[] others)
where T : IDictionary<K,V>, new()
{
T newMap = new T();
foreach (IDictionary<K,V> src in
(new List<IDictionary<K,V>> { me...
Format number to always show 2 decimal places
...ionDigits: 2, minimumFractionDigits: 2 });
Specify a locale tag as first parameter to control the decimal separator. For a dot, use for example English U.S. locale:
num.toLocaleString("en-US", { maximumFractionDigits: 2, minimumFractionDigits: 2 });
which gives:
1.35
Most countries in Eur...