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How to efficiently compare two unordered lists (not sets) in Python?
... objects are not unhashable per se. You just have to implements a sensible __hash__, but that might be impossible for collections.
– Jochen Ritzel
Oct 19 '11 at 22:23
...
Is there a naming convention for MySQL?
...
MySQL has a short description of their more or less strict rules:
https://dev.mysql.com/doc/internals/en/coding-style.html
Most common codingstyle for MySQL by Simon Holywell:
http://www.sqlstyle.guide/
See also this question:
Are there any published coding style guidelines for SQL?
...
Guava equivalent for IOUtils.toString(InputStream)
...se
CharStreams.toString(new InputStreamReader(supplier.get(), Charsets.UTF_8))
This code is problematic because the overload CharStreams.toString(Readable) states:
Does not close the Readable.
This means that your InputStreamReader, and by extension the InputStream returned by supplier.get(...
Access object child properties using a dot notation string [duplicate]
... @JohnB's answer, I added a setter value as well. Check out the plunkr at
http://plnkr.co/edit/lo0thC?p=preview
function getSetDescendantProp(obj, desc, value) {
var arr = desc ? desc.split(".") : [];
while (arr.length && obj) {
var comp = arr.shift();
var match = new RegExp...
Selenium WebDriver: Wait for complex page with JavaScript to load
... = wait.until(ExpectedConditions.elementToBeClickable(By.id("someid")));
http://www.seleniumhq.org/docs/04_webdriver_advanced.jsp
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Pythonic way to combine FOR loop and IF statement
...>>> xyz = [0, 12, 4, 6, 242, 7, 9]
>>>
>>> known_things = sorted(set(a.iterkeys()).intersection(xyz))
>>> unknown_things = sorted(set(xyz).difference(a.iterkeys()))
>>>
>>> for thing in known_things:
... print 'I know about', a[thing]
...
I k...
PHP and Enumerations
...the ability to emulate and create enumeration objects
natively in PHP.
http://www.php.net/manual/en/class.splenum.php
Attention:
https://www.php.net/manual/en/spl-types.installation.php
The PECL extension is not bundled with PHP.
A DLL for this PECL extension is currently unavailable....
Why doesn't Java allow to throw a checked exception from static initialization block?
...lf, with Class.forName(..., true, ...); Granted, this is not something you come across very often.
– LadyCailin
Dec 18 '12 at 21:25
2
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Are there any reasons to use private properties in C#?
... them if I need to cache a value and want to lazy load it.
private string _password;
private string Password
{
get
{
if (_password == null)
{
_password = CallExpensiveOperation();
}
return _password;
}
}
...