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How do I split a string by a multi-character delimiter in C#?
.... You have to use something a bit more clever to get the output specified. Now, whether what the question specified is actually what the asker wants is a different question, but the question asked here can't be answered trivially with just String.Split.
– IRBMe
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Javascript: How to loop through ALL DOM elements on a page?
...tead
This would certainly speed up matters for modern browsers.
Browsers now support foreach on NodeList. This means you can directly loop the elements instead of writing your own for loop.
document.querySelectorAll('*').forEach(function(node) {
// Do whatever you want with the node object.
})...
Why is the time complexity of both DFS and BFS O( V + E )
...t on a given vertex v.
So the total time for a single loop is O(1)+O(e). Now sum it for each vertex as each vertex is visited once. This gives
For every V
=>
O(1)
+
O(e)
=> O(V) + O(E)
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PostgreSQL function for last inserted ID
...);
SELECT currval('persons_id_seq');
The name of the sequence must be known, it's really arbitrary; in this example we assume that the table persons has an id column created with the SERIAL pseudo-type. To avoid relying on this and to feel more clean, you can use instead pg_get_serial_sequence:
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How to annotate MYSQL autoincrement field with JPA annotations
...omething in my config files is just not right. Any other suggetions maybe, now that I have put new information and config files?
– trivunm
Nov 16 '10 at 22:17
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How to query as GROUP BY in django?
...= ['designation']
results = QuerySet(query=query, model=Members)
You can now iterate over the results variable to retrieve your results. Note that group_by is not documented and may be changed in future version of Django.
And... why do you want to use group_by? If you don't use aggregation, you c...
Underscore prefix for property and method names in JavaScript
...e is only accessible by prefixing new value, created, using _ i'd love to know what's going on!? why it is not this.name instead?
– Muhammad Umer
Jul 26 '13 at 23:14
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How to amend a commit without changing commit message (reusing the previous one)?
...
Why I am not using --no-edit for a decade now?!?! Thank you :-)
– lzap
Sep 9 at 8:52
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How to create a file in memory for user to download, but not through server?
...rompt the user to download it, without any interaction with the server?
I know I can't write directly to their machine (security and all), but can I create and prompt them to save it?
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How to make a background 20% transparent on Android
...w this procedure:
Given a transparency percentage, for example 20%, you know the opaque percentage value is 80% (this is 100-20=80)
The range for the alpha channel is 8 bits (2^8=256), meaning the range goes from 0 to 255.
Project the opaque percentage into the alpha range, that is, multiply the r...