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Is it possible to create a multi-line string variable in a Makefile
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Just a postscript to Eric Melski's answer: You can include the output of commands in the text, but you must use the Makefile syntax "$(shell foo)" rather than the shell syntax "$(foo)". For example:
define ANNOUNCE_BODY
As of $(shell date), version $(VERSION) of $(PACKA...
Difference of keywords 'typename' and 'class' in templates?
...ightly different things.
For a template that should accept any type as T, including built-ins (such as an array )
template<typename T>
class Foo { ... }
For a template that will only work where T is a real class.
template<class T>
class Foo { ... }
But keep in mind that this is pu...
Reset identity seed after deleting records in SQL Server
...n the table is locked for deletion. TRUNCATE TABLE always locks the table (including a schema (SCH-M) lock) and page but not each row.
Without exception, zero pages are left in the table.
After a DELETE statement is executed, the table can still contain empty pages. For example, empty pages i...
INNER JOIN vs LEFT JOIN performance in SQL Server
...g ad-hoc queries that do not understand the relational model) The view may include all the relevent columns from many tables. But the end users might only access columns from a subset of the tables within the view. If the tables are joined with outer joins, then the optimizer can (and does) drop the...
MySQL DROP all tables, ignoring foreign keys
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every approach above includes a lot more work than this one AFAICT...
( mysqldump --add-drop-table --no-data -u root -p database | grep 'DROP TABLE' ) > ./drop_all_tables.sql
mysql -u root -p database < ./drop_all_tables.sql
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Run javascript function when user finishes typing instead of on key up?
... example, is running immediately. That's usually a result of accidentally including () after the function name. Note that it should read setTimeout(doneTyping, not setTimeout(doneTyping(),
– Anthony DiSanti
Jun 19 '15 at 23:29
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Python debugging tips [closed]
...of pdb for IPython. It allows the use of pdb with all the IPython features including tab completion.
It is also possible to set pdb to automatically run on an uncaught exception.
Pydb was written to be an enhanced version of Pdb. Benefits?
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Unit testing Anti-patterns catalogue
... will want to reduce duplication, and ensure you check all the invariants, including those that do not currently cause test failures. So you put them all in a checkInvariants() verification function and use that in every test. The code changes and another invariant is added. You put that in the func...
Routing for custom ASP.NET MVC 404 Error page
... different ways a 404 HttpException is usually thrown by ASP.NET MVC. This includes a missing controller, action and route.
Step by Step Installation Guide :
1 - Right click on your Project and Select Manage Nuget Packages...
2 - Search for NotFoundMvc and install it.
3 - Once the installation ...
C++ - passing references to std::shared_ptr or boost::shared_ptr
...und. Remember; the default boost::shared_ptr is thread safe, so copying it includes a thread safe increment.
Try to use const& rather than just &, because temporary objects may not be passed by non-const reference. (Even though a language extension in MSVC allows you to do it anyway)
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