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Error-Handling in Swift-Language
...tures of Swift pattern matching so you are very flexible here.
You may decided to propagate the error, if your are calling a throwing function from a function that is itself marked with throws keyword:
func fulfill(quest: Quest) throws {
let dragon = try summonDefaultDragon()
quest.ride(dr...
Asynchronously load images with jQuery
....on('load', function() {
if (!this.complete || typeof this.naturalWidth == "undefined" || this.naturalWidth == 0) {
alert('broken image!');
} else {
$("#something").append(img);
}
});
...
How do I assert equality on two classes without an equals method?
...
Mockito.refEq() fails when the objects don't have an id set =(
– cavpollo
May 19 '17 at 16:37
...
I don't remember my android debug.keystore password
...
Usually the debug.keystore password is just "android".
You can delete it and Eclipse will automatically generate a new one, as described here.
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Best way to track onchange as-you-type in input type=“text”?
...opertychange. I use it like this:
const source = document.getElementById('source');
const result = document.getElementById('result');
const inputHandler = function(e) {
result.innerHTML = e.target.value;
}
source.addEventListener('input', inputHandler);
source.addEventListener('prop...
How can I alter a primary key constraint using SQL syntax?
...nstraint name: ALTER TABLE db.table DROP PRIMARY KEY, ADD PRIMARY KEY (id1, id2);
– karsten314159
Dec 13 '18 at 12:24
...
Turn off spell checking in Eclipse for good
... Thanks. This is what really annoys me with Eclipse. Somebody has decided what the default Preferences are and there is no way for us to change them. So we are left with this quite complicated maneuver every time we open up a new workspace.
– darius
Jun 1...
Remove leading and trailing spaces?
...e liner into multiple lines. Then it becomes easy:
f.write(re.split("Tech ID:|Name:|Account #:",line)[-1])
parts = re.split("Tech ID:|Name:|Account #:",line)
wanted_part = parts[-1]
wanted_part_stripped = wanted_part.strip()
f.write(wanted_part_stripped)
...
HQL ERROR: Path expected for join
...
select u from UserGroup ug inner join ug.user u
where ug.group_id = :groupId
order by u.lastname
As a named query:
@NamedQuery(
name = "User.findByGroupId",
query =
"SELECT u FROM UserGroup ug " +
"INNER JOIN ug.user u WHERE ug.group_id = :groupId ORDER BY u.lastname"
)
...
How to add images in select list?
...;
Better yet, you can separate HTML and CSS like that
HTML
<select id="gender">
<option>male</option>
<option>female</option>
<option>others</option>
</select>
CSS
select#gender option[value="male"] { background-image:url(male.png); ...