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Why are private fields private to the type, not the instance?
...us class-private.
Instance-private in programming languages
I know of at least two languages currently in use that use instance-private information hiding as opposed to class-private information hiding. One is Eiffel, a language designed by Meyer, that takes OO to its utmost extremes. The other be...
Static Indexers?
...c'; I'm not great at meddling in the affairs of IL but that sounds like at least an initial no.
– Amazingant
Mar 24 '15 at 19:06
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Serializing an object as UTF-8 XML in .NET
... declaration is not required. It doesn't seem to break deserialization, at least.
As @Jon Hanna mentions, this can be done with an XmlWriter created like this:
XmlWriter writer = XmlWriter.Create (output, new XmlWriterSettings() { OmitXmlDeclaration = true });
...
Rule-of-Three becomes Rule-of-Five with C++11?
...sing declaration turns a runtime error into a compilation error now (or at least a warning). As a C++03 compatibility measure some operations are still generated but this generation is deemed deprecated and should at least produce a warning in C++0x mode.
Due to the rather restrictive rules about c...
Difference between UTF-8 and UTF-16?
...rence between UTF-8 and UTF-16? Why do we need these?
There have been at least a couple of security vulnerabilities in implementations of UTF-16. See Wikipedia for details.
CVE-2008-2938
CVE-2012-2135
WHATWG and W3C have now declared that only UTF-8 is to be used on the Web.
The [security...
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
...second loop permutes the extended array so that if element x is present at least once, then one of those entries will be at position A[x].
Note that although it has a nested loop, it still runs in O(N) time - a swap only occurs if there is an i such that A[i] != i, and each swap sets at least one e...
How much overhead does SSL impose?
...with it must be seen as equivalent to unencrypted transmission at the very least for safety from spying organizations. Nowadays, something like chacha20-poly1305 is strongly recommended for bulk encryption due to its independence from such organizations.
– Evi1M4chine
...
How do I use reflection to invoke a private method?
...
It doesn't work for UWP .net version at least because it works only for public methods: "Returns a collection that contains all public methods declared on the current type that match the specified name".
– Dmytro Bondarenko
Fe...
MySQL: Transactions vs Locking Tables
... state.
Think of a banking system. When you pay a bill online, there's at least two accounts affected by the transaction: Your account, from which the money is taken. And the receiver's account, into which the money is transferred. And the bank's account, into which they'll happily deposit all the ...
Is there a “previous sibling” selector?
...rder: -1; }
...and voilà! A previous sibling selector is born (or at least simulated).
Here's the full code:
ul {
display: flex;
}
li:hover + li {
background-color: red;
}
li:last-child {
order: -1;
}
/* non-essential decorative styles */
li {
height: 200...