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PostgreSQL: Show tables in PostgreSQL
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From the psql command line interface,
First, choose your database
\c database_name
Then, this shows all tables in the current schema:
\dt
Programmatically (or from the psql interface too, of course):
SELECT * FROM pg_catalog.pg_table...
Why is inserting in the middle of a linked list O(1)?
...r business logic that a new node needs to be added (or an old one deleted) and you do so. You may add 50 nodes in a single iteration and each of those nodes is just O(1) the time to unlink two adjacent nodes and insert your new one..
Edit: Man, you type a second paragraph and all of a sudden inste...
What's the best way to detect a 'touch screen' device using JavaScript?
I've written a jQuery plug-in that's for use on both desktop and mobile devices. I wondered if there is a way with JavaScript to detect if the device has touch screen capability. I'm using jquery-mobile.js to detect the touch screen events and it works on iOS, Android etc., but I'd also like to writ...
How to make an anchor tag refer to nothing?
...ke a link, it's best to use the appropriate element (such as <span>) and then style it using CSS:
<span class="fake-link" id="fake-link-1">Am I a link?</span>
.fake-link {
color: blue;
text-decoration: underline;
cursor: pointer;
}
Also, given that you tagged this q...
How can I see the request headers made by curl when sending a request to the server?
...very helpful feature of the "verbose" flag: first, it also prints the TLS handshake process when accessing website through HTTPS, such as curl -v https://www.example.com; second, it also prints the CONNECT request if you are visiting the site through HTTP proxy, such as curl --proxy my-proxy:8080 ht...
CKEditor instance already exists
...rst one was not displaying but the other two where, I added the above code and all teh editors now appear
– Craig Angus
Apr 29 '10 at 15:56
18
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Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
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Several ill-conceived ideas found their way into the standard: auto_ptr, vector<bool>, valarray and export, just to name a few. So I wouldn't take the presence of IOStreams necessarily as a sign of quality design.
IOStreams have a checkered history. They are actually a rew...
Best way to reverse a string
...had to write a string reverse function in C# 2.0 (i.e. LINQ not available) and came up with this:
48 Answers
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EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
... putting a wrapper function in the Configuration class in the Seed method, and replaced calls to SaveChanges with calls to my function instead. This function would simply enumerate the errors within the EntityValidationErrors collection, and rethrow an exception where the Exception message lists th...
Why is HTML5 input type datetime removed from browsers already supporting it?
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The only reason I can think of is browser vendors losing faith in the standard being approved, therefore removing the implementation from their code.
To support this thought: W3C just removed both datetime and datetime-local from their working draft.
Browser vendors will eventually drop support...
