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Does Postgres automatically put indexes on Foreign Keys and Primary Keys? How can I tell? Is there a command that will return all indexes on a table?
Started by Grasper on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
Thus, it is not necessary....
It will tell you (in the console says: PostgreSQL automatically creates an index for each unique constraint and primary key constraint to enforce uniqueness.
It does automatically create indexes on primary keys.
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I'm working with a new Dell Studio 1555, and the F1-F12 keys at the top of the keyboard are dual function with OEM keys such as volume and screen brightness. The problem is, is that the OEM keys are the default, and you have to press the Fn key to get...
Started by Factor Mystic on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at superuser):
It will toggle the Fn keys to the top and media where....
You set the media keys in the bios from media to function.
Are switched on by default instead of the F keys so to perform a task such as closing a window (Alt-F4 into the BIOS.
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KEYS KEYS KEYS (UPDATED WITH PICS) As mentioned in the thread title, I am looking to buy whatever interesting keycaps you might have.
Edit : Found some pictures of some of the various keycaps I want so people can guide me on how I might accquire them....
Started by balanar on
, 11 posts
by 4 people.
Answer Snippets (Read the full thread at geekhack):
Updated first post ....
That as well as the GeekHack backspace & POS keys if they were made.
And theres the "geek hack" esc key that's printed over 2 lines
Acquire my that's the set I'm loooking for actually hazeluff.
White on green IIRC).
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Ask your Facebook Friends
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I'd like to write an application in C which uses arrow-keys to navigate and F-keys for other functions, such as saving to a file, language selection, etc.
Propably the values depend on the platform, so how could I find out which values the keys have?
...
Started by johko on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
One technique I have successfully used on the pc this:
% read x; echo $x | od -c -- ^[[15~ 033 [ 1 5 ~ \n 6
That's my F5 key, and apologies enter cntl-V and then the key ....
Some of the keys generate 2 character key codes .
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Google App Engine supports a fetch operation based on a list of keys google.appengine.ext.db.get( keys ) .
I'd be interested to figure out if there is any guarantee that the result list preserves the order of the keys (i.e. keys = [ k_1 , k_2 , k_3 ] ...
Started by alexpopescu on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
The performance difference you observe is because it only, because it's based on Bigtable, and you're selecting on the primary key, so it can do lookups.
In the same order as the keys you provided.
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So I got myself an Apple "Ultra-Thin" USB keyboard (the one that has two USB hub ports).
However, I use PC, so some of the keys on the keyboard are not mapped to Windows keys. Specifically, I am worried about the loss of the print screen, scroll lock,...
Started by Maxim Z. on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
I have the same Windows Right Win -> Left Alt
(since the Win key belongs between Alt and Ctrl)
The only thing SharpKeys can't do is Pause-Break, which appears....
In Windows.
The F13-F15 keys could be your print screen, etc.
A couple things.
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We've run into a serious issue with CF9 wherein values for certain struct keys can be referenced by other keys, despite those other keys never being set. See the following examples:
Edit: Looks like it isn't just something our servers ate. This is Adobe...
Started by Gin Doe on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Instead it contains a single....
<br />Struct a: <cfdump var="#a#" /> <br />a.AO: #a.AO# <br />a.B0: #a.B0# <hr /> The following should show a struct with 2 distinct keys and values.
keys refer to the same value.
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I know that the individual map queries take a maximum of log(N) time. However I was wondering, I have seen a lot of examples that use strings as map keys. What is the performance cost of associating a std::string as a key to a map instead of an int for...
Started by Mr.Gando on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
Searching for a key operations implies comparing the key for a....
Mentioned, a string key will also cause an additional memory allocation each time an item is added know what are the performed operations and then evaluate its costs.
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I am using C++ hash_map to store some C-style string pairs. And all keys should be unique for this case...
My problem is a serious memory leak when stress testing this over mutliple runs.
When none of these keys in the test are not identical, there is...
Started by Sean on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
You can also try another hash_map method to erase by key, not by iterator:
size_type erase(const key_type& k)
It....
Might I suggest you replace and safer solution.
Should replace what was already present with key "k" if it existed.
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Soo I've gone to play with the s15 and noticed that the key was not in it's last known place I'm now concerned as this is the only key for the car
My question is.... Has anyone had to get a key cut from the barrel? And If so where did u/they get it done...
Started by teezn_180sx on
, 30 posts
by 11 people.
Answer Snippets (Read the full thread at nissansilvia):
The numbers you need to know then you take them to a locksmith and they cut you a key
Back to top I did this last week, took the key barrel from the drivers door, Went to dibble locksmiths in capalaba, took 30mins, cost $30 with 2 keys....
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