大约有 40,000 项符合查询结果(耗时:0.0213秒) [XML]

https://stackoverflow.com/ques... 

Mock vs MagicMock

...ault implementations of most of the magic methods.". If you don't need to test any magic methods, Mock is adequate and doesn't bring a lot of extraneous things into your tests. If you need to test a lot of magic methods MagicMock will save you some time. ...
https://stackoverflow.com/ques... 

Unioning two tables with different number of columns

...rict in column orders. this example below produces an error: create table test1_1790 ( col_a varchar2(30), col_b number, col_c date); create table test2_1790 ( col_a varchar2(30), col_c date, col_b number); select * from test1_1790 union all select * from test2_1790; ORA-01790: expression must ...
https://stackoverflow.com/ques... 

Search for executable files using find command

...tical to the -executable predicate in GNU find. In particular, -executable tests that the file can be executed by the current user, while -perm +111 just tests if any execute permissions are set. Older versions of GNU find also support the -perm +111 syntax, but as of 4.5.12 this syntax is no longe...
https://stackoverflow.com/ques... 

Python constructors and __init__

...nce of C after it is created. For example Python allows you to do: class Test(object): pass t = Test() t.x = 10 # here you're building your object t print t.x But if you want every instance of Test to have an attribute x equal to 10, you can put that code inside __init__: class Test(obj...
https://stackoverflow.com/ques... 

Can PostgreSQL index array columns?

...e the array operators and the GIN-index type. Example: CREATE TABLE "Test"("Column1" int[]); INSERT INTO "Test" VALUES ('{10, 15, 20}'); INSERT INTO "Test" VALUES ('{10, 20, 30}'); CREATE INDEX idx_test on "Test" USING GIN ("Column1"); -- To enforce index usage because we hav...
https://stackoverflow.com/ques... 

Timer function to provide time in nano seconds using C++

... <chrono>. Additionally I'll demonstrate how you can templatize the testing code on the clock so that you can rapidly switch between RDTSC and your system's built-in clock facilities (which will likely be based on clock(), clock_gettime() and/or QueryPerformanceCounter. Note that the RDTSC i...
https://stackoverflow.com/ques... 

What is the best collation to use for MySQL with PHP? [closed]

...ection is of the same -- character/collate type as the one we're going to test next: charset utf8 collate utf8_general_ci -- now, create the table and fill it with values CREATE TABLE `test` (`key` VARCHAR(16), `value` VARCHAR(16) ) CHARACTER SET utf8 COLLATE utf8_general_ci; INSERT INTO `tes...
https://stackoverflow.com/ques... 

Find object in list that has attribute equal to some value (that meets any condition)

... next((x for x in test_list if x.value == value), None) This gets the first item from the list that matches the condition, and returns None if no item matches. It's my preferred single-expression form. However, for x in test_list: if x.va...
https://stackoverflow.com/ques... 

Which characters need to be escaped when using Bash?

... @dalelane: Can't test here. Please edit when you have a version that works on both. – Jo So Jun 22 '17 at 14:34 ...
https://stackoverflow.com/ques... 

Square retrofit server mock for testing

What's the best way to mock a server for testing when using the square retrofit framework . 11 Answers ...