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What is a “batch”, and why is GO used?
...GO from the following ones in order to work.
For example, you can't drop a table and re-create the same-named table in a single transaction, at least in Sybase (ditto for creating procedures/triggers):
> drop table tempdb.guest.x1
> create table tempdb.guest.x1 (a int)
> go
M...
PDO Prepared Inserts multiple rows in single query
... fields to create the ? placeholders to bind your parameters.
insert into table (fielda, fieldb, ... ) values (?,?...), (?,?...)....
That is basically how we want the insert statement to look like.
Now, the code:
function placeholders($text, $count=0, $separator=","){
$result = array();
...
Smallest data URI image possible for a transparent image
...
After playing around with different transparent GIFs, some are unstable and cause CSS glitches. For example, if you have an <img> and you use the tiniest transparent GIF possible, it works fine, however, if you then want your transparent GIF to have a background-image, then this is im...
Surrogate vs. natural/business keys [closed]
...lled as such. It is nothing more than a NOT NULL UNIQUE constraint, and a table can have more than one.
If you use a surrogate key, you still want a business key to ensure uniqueness according to the business rules.
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SQL MAX of multiple columns?
...(VALUES (date1), (date2), (date3),...) AS value(v)) as [MaxDate]
FROM [YourTableName]
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How are virtual functions and vtable implemented?
...ons in C++":
Whenever a program has a virtual function declared, a v - table is constructed for the class. The v-table consists of addresses to the virtual functions for classes that contain one or more virtual functions. The object of the class containing the virtual function contains a virtual...
Why do table names in SQL Server start with “dbo”?
At least on my local instance, when I create tables, they are all prefixed with "dbo.". Why is that?
3 Answers
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Make Iframe to fit 100% of container's remaining height
...ault and whitespace starts creating weird overflows otherwise.
Option 2 - tables. Works when you don't know the height of the first part. You can use either actual <table> tags or do it the fancy way with display: table. I'll go for the latter because it seems to be in fashion these days.
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Possible reasons for timeout when trying to access EC2 instance
.../24
Create Internet Gateway
Attach Internet Gateway to VPC
Create Routing Table
Add Route to Routing Table
Destination: 0.0.0.0/0
Target: <Internet Gateway from earlier>
Create Subnet
CIDR: 10.0.0.0/24
Routing Table: <Routing Table from earlier
It took me a LOT of fumbling to get all...
Safely remove migration In Laravel
...p-autoload
Modify your database: Remove the last entry from the migrations table
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