...efile*/ x := foo y := $(x) bar x := later a = foo b = $(a) bar a = later test: @echo x - $(x) @echo y - $(y) @echo a - $(a) @echo b - $(b) make test prints: x - later y - foo bar a - later b - later bar Check more elaborate explanation here ...

...d break. There are two ways to programmatically check the contract API: test a bunch of corner cases. Easy to do, but you might always miss one. formal verification. Harder to do, but produces mathematical proof of correctness, essentially unifying documentation and tests into a "human" / machine...

...atim string literals as you have, or escape the " using backslash. string test = "He said to me, \"Hello World\" . How are you?"; The string has not changed in either case - there is a single escaped " in it. This is just a way to tell C# that the character is part of the string and not a string ...

...f a security expert and/or cryptographer, always use a well-designed, well-tested, and mature security platform, framework, or library to do the work for you. These things have spent years being thought out, patched, updated, and examined by experts and hackers alike. You want to gain those advantag...

... I think that length is the closest test that we have to the expression of the idea that there is nothing in the string. – brian d foy Jan 12 '10 at 11:23 ...

...mewhat like a VIEW in that it will calculate an execution plan using the latest statistics on the tables in question. A MSTVF is equivalent to stuffing the entire contents of your SELECT statement into a table variable and then joining to that. Thus, the compiler cannot use any table statistics on t...

...ent, but when using the accepted answer, it did not fulfill all of my unit tests. The issue for me is when you have a new object, with Start and End dates and you have to set the Start date ( at this stage your End date has the minimum date value of 01/01/0001) - this solution did pass all my unit t...

... //filesystem中最基本的类型 bf::path path("/tmp/test"); //对当前的目录的操作 bf::path old_cpath=bf::current_path(); //取得当前目录 bf::path file_path = path / "file"; //path重载了 / 运算符 //判断文件存在...

...tation, but I needed a) a portable, pure shell implementation, and b) unit-test coverage, as the number of edge-cases for something like this are non-trivial. See my project on Github for tests and full code. What follows is a synopsis of the implementation: As Keith Smith astutely points out, rea...

... Edit and Continue is useful when debugging and testing web projects. That *.aspx files can be edited, the browser refreshed, and changes will appear. It's not so useful for non-web code... – Zarepheth Jul 9 '15 at 21:11 ...