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Explicitly calling return in a function or not
...eturn') with that last value as an argument will do the same job but needs one call more. So that this (often) unnecessary .Primitive('return') call can draw additional resources.
Simple measurement however shows that the resulting difference is very small and thus can not be the reason for not us...
How to diff one file to an arbitrary version in Git?
...iff master~20:pom.xml pom.xml
... to compare your current pom.xml to the one from master 20 revisions ago through the first parent. You can replace master~20, of course, with the object name (SHA1sum) of a commit or any of the many other ways of specifying a revision.
Note that this is actually ...
is it possible to change values of the array when doing foreach in javascript?
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That second example shows arr itself being set up as this in the callback.One might think that the array involved in the .forEach() call might be the default value of this, but for whatever reason it's not; this will be undefined if that second argument is not provided.
(Note: the above stuff abou...
Copy a table from one database to another in Postgres
I am trying to copy an entire table from one database to another in Postgres. Any suggestions?
19 Answers
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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
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Your pizza can have exactly three topping types:
one type of cheese
one type of meat
one type of vegetable
So we order two pizzas and choose the following toppings:
Pizza Topping Topping Type
-------- ---------- -------------
1 mozzarella cheese
1 ...
How to split a column into two columns?
I have a data frame with one column and I'd like to split it into two columns, with one column header as ' fips' and the other 'row'
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Android: What is better - multiple activities or switching views manually?
...icult later on to change the flow of your application. It also results in one mega-Activity that can be a lot harder to handle than a lot of smaller pieces of code.
I have trouble imagining that speed is really an issue; if it is then there's something wrong with the way you're initializing each A...
Shell script - remove first and last quote (") from a variable
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@jsears Huh? This specifically trims one from the start if there is one, and one from the end if there is one. If you don't want to remove unless both are present; yes, a single sed regex could be used, or the variable substitution could be wrapped in something...
SQL Server - copy stored procedures from one db to another
...m new to SQL, and what I needed to do was to combine 2 .mdf databases into one. I did that using SQL Server 2008 Manager - Tasks > Import/Export tables.The tables and views were copied successfully, but there are no Stored procedures in the new database. Is there any way to do that?
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Why the switch statement cannot be applied on strings?
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The branch table argument shouldn't apply - that's only one possible approach available to a compiler author. For a production compiler, one has to frequently use several approaches depending on the complexity of the switch.
– plinth
Mar 16 ...