|
Request["key"] vs Request.Params["key"] vs Request.QueryString["key"]
Which method do you seasoned programmers use? and why?
Started by Chris on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
I tend not to use " Request.Params["key"] " because it could depends on what you are doing at the ....
I prefer to use " Request.QueryString["key"] " because it helps the code-reader know exactly where you are getting the data from.
Doing.
|
|
So I've seen several mentions of a surrogate key lately, and I'm not really sure what it is and how it differs from a primary key.
I always assumed that ID was my primary key in a table like this:
Users ID, Guid FirstName, Text LastName, Text SSN, Int...
Started by Nate Bross on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
The primary key is used a "glossary" of all the various ....
An artificial key), and it should be your primary key, too.
No, your ID can be both a surrogate key (which just means it's not "derived from application data", e.g.
|
|
I realise there might be similar questions but I couldn't find one that was close enough for guidance.
Given this spec,
Site SiteID int identity Name varchar(50) Series SiteID int SeriesCode varchar(6) ... --SeriesCode will be unique for every unique ...
Started by J F on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
So including a surrogate key....
It's no harm to leave tables, and try to add a narural key to every table to indentify and control redundant data rows...
Is a single attribute natural key sufficient to identify and locate rows in Episode.
|
Ask your Facebook Friends
|
Let's say I have a table Foo . This table has the columns ID and UniqueCode defined like so:
CREATE TABLE Foo ( ID BIGINT UNSIGNED NOT NULL AUTO_INCREMENT, UniqueCode VARCHAR(255) NOT NULL, PRIMARY KEY (ID), CONSTRAINT UNIQUE(UniqueCode) );
Now let's ...
Started by S. DePouw on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Something like this?
mysql> insert into Foo (Id, UniqueCode) values (3, "bar") on duplicate key that, I insert the row, then ON DUPLICATE KEY UPDATE can only fire if the ID is a duplicate..
|
|
Does get(key) require the entity key and get_by_key_name(key_names) require the key_name?
Started by ehfeng on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
When ....
A Key object argument - the Key object.
( link ) The "identifier" can either be a number or a string .
Here is official explanation for get() and this one is for get_by_key_name() I hope this helps parent, and its identifier.
|
|
What are the key codes for the right and left arrow keys?
Started by noname on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Discovery of other keycodes can); });
Which will output the keycode to the console when you press any key..
See this please
left key - 37
right key - 39
Left: 37, Right: 39.
|
|
Possible Duplicate:
How can i remap a keyboard key?
My keyboard's "Esc" key not working , I think it's hardware problem, can i convert my "Insert" or any other key into "Esc", because i never use this key? or will I have to purchase a new keyboard for...
Started by Jitendra vyas on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
Shift+Insert = paste
Ctrl+Insert.
Re: purpose of insert key.
How can i remap a keyboard key? .
|
|
And, while I know I can set the key name, can I set the entity key? Or can that only be assigned by the server?
Started by ehfeng on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
The key is a data structure), and the (kind, id_or....
The key name is a name that may be assigned, but is not necessarily unique in the datastore.
Entity key is a unique key, which includes the entity key of any parent.
|
|
I have a Set of keys and a List of key/value pairs. The values are of the form Long,BigInteger.
// key/values pairs: Long,BigInteger List<Object[]> values; // id list that corresponds to the keys for the list above Set<Long> ids;
If any member...
Started by Ike Walker on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Long key....
EDIT: options for sorting LinkedHashMap<Long, BigInteger>();
This way you can just use any of the Map methods to handle key/value pairs.
Querying for a key that has no values returns an empty collection.
Library.
|
|
Hello.
Is it a way in ubuntu linux to remap single key (for example, Alt_R) to keys combination (for example, Up)?
Started by Eye of Hell on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at serverfault):
Also....
I've found that xev is a useful program to get key codes when making rules for xmodmap .
You can modify your keys as you wish; if you add the key settings and KDE, though I don't know what they are.
Want to examine is xmodmap.
|