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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...
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...
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 ...
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...
Change default primary key in Eloquent
...gusflyer You are kidding right ? More than one primary key in one database table?
– Novica89
Oct 1 '14 at 10:39
@bagus...
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
5
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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 ...
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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How to fix the Hibernate “object references an unsaved transient instance - save the transient insta
... I got this issue specifically when I used @Inheritance, in this case TABLE_PER_CLASS, I was referencing a subclass. CascadeType.ALL fixed it.
– Jim ReesPotter
Mar 17 '18 at 21:08
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