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What's the difference between streams and datagrams in network programming?
What's the difference between sockets (stream) vs sockets (datagrams)? Why use one over the other?
3 Answers
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Postgres NOT in array
...n operator, which must yield a Boolean result. The result of ALL is "true" if all comparisons yield true (including the case where the array has zero elements). The result is "false" if any false result is found.
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Array versus linked-list
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It's easier to store data of different sizes in a linked list. An array assumes every element is exactly the same size.
As you mentioned, it's easier for a linked list to grow organically. An array's size needs to be known ahead of time, or re-created wh...
How to Customize the time format for Python logging?
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Note that if you're using the dictConfig method of configuring logging (e.g. if you're using Django), you can set this using the 'datefmt' dict key for a formatter. See: Django Logging Configuration , logging module: Dictionary Schema ...
How do I make HttpURLConnection use a proxy?
If I do this...
7 Answers
7
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HashMap and int as key
...d as you can see it uses Object for K:
public V put(K key, V value) {
if (key == null)
return putForNullKey(value);
int hash = hash(key);
int i = indexFor(hash, table.length);
for (Entry<K,V> e = table[i]; e != null; e = e.next) {
Object k;
if (e.hash =...
Copying text to the clipboard using Java
.....) too, making it the ClipboardOwner, as in the linked answer, has no significance: looking at the source, the sole method of ClipboardOwner that it implements, namely, lostOwnership(..), is empty. So, the 2nd argument seems to be a completely optional callback.
– Evgeni Serge...
Correct mime type for .mp4
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video/mp4should be used when you have video content in your file. If there is none, but there is audio, you should use audio/mp4. If no audio and no video is used, for instance if the file contains only a subtitle track or a metadata track, the MIME should be application/mp4.
Also, as a ser...
Call int() function on every list element?
...te: in Python 3.x map returns a map object which you can convert to a list if you want:
numbers = list(map(int, numbers))
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How to get screen width without (minus) scrollbar?
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This won't work if for some reason you changed the width of body element.
– Konstantin Pereiaslov
Aug 21 '13 at 4:41
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