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How to use transactions with dapper.net?
I would like to run multiple insert statements on multiple tables. I am using dapper.net. I don't see any way to handle transactions with dapper.net.
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Input size vs width
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I just got through fighting with a table that I couldn't make any smaller no matter which element I tried to make smaller the width of the table stayed the same. I searched using firebug but couldn't find the element that was setting the width so high.
Fina...
What's wrong with using == to compare floats in Java?
...lse ensure that no float which compares unequal to itself gets stored in a table. Otherwise, a program which tries to e.g. count how many unique results can be produced from an expression when fed various inputs may regard every NaN value as unique.
– supercat
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Only one expression can be specified in the select list when the subquery is not introduced with EXI
...r side of the IN. So the query needs to be of the form:
SELECT * From ThisTable WHERE ThisColumn IN (SELECT ThatColumn FROM ThatTable)
You also want to add sorting so you can select just from the top rows, but you don't need to return the COUNT as a column in order to do your sort; sorting in the...
Using Eloquent ORM in Laravel to perform search of database using LIKE
... you can search the column as usual. The syntax is probably something like table.field.
– Anthony
Mar 2 '16 at 21:04
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Add one row to pandas DataFrame
...everal datasets, use a list comprehension. (pandas.pydata.org/pandas-docs/stable/…)
– thikonom
Dec 25 '15 at 22:01
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Architecture for merging multiple user accounts together
...an account membership entry in your database somewhat like this
Table = Users
[ UserId | Email | Password ]
[ 23 | "newuser@coolmail.com" | *null* ]
3) create an external auths entry like so
*ProviderUserId is the unique id of...
postgresql - replace all instances of a string within text field
...on:
replace(string text, from text, to text)
for instance :
UPDATE <table> SET <field> = replace(<field>, 'cat', 'dog')
Be aware, though, that this will be a string-to-string replacement, so 'category' will become 'dogegory'. the regexp_replace function may help you define a ...
Are Exceptions in C++ really slow
...g for the presence of exceptions everywhere, the compiler generates a side table that maps any point that may throw an exception (Program Counter) to the a list of handlers. When an exception is thrown, this list is consulted to pick the right handler (if any) and stack is unwound.
Compared to the ...
Why was the switch statement designed to need a break?
...c is just a clean interface to standard assembly idioms. When writing jump table driven flow control, the programmer has the choice of falling through or jumping out of the "control structure", and a jump out requires an explicit instruction.
So, c does the same thing...
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