大约有 44,000 项符合查询结果（耗时：0.0870秒） [XML]
Why doesn't JUnit provide assertNotEquals methods?
...sertThat() style asserts, which can easily describe all kinds of negations and automatically build a description of what you expected and what you got if the assertion fails:
assertThat(objectUnderTest, is(not(someOtherObject)));
assertThat(objectUnderTest, not(someOtherObject));
assertThat(objectU...
How to recursively list all the files in a directory in C#?
How to recursively list all the files in a directory and child directories in C#?
22 Answers
...
FirstOrDefault: Default value other than null
As I understand it, in Linq the method FirstOrDefault() can return a Default value of something other than null. What I haven't worked out is what kind of things other than null can be returned by this (and similar) method when there are no items in the query result. Is there any particular wa...
“var” or no “var” in JavaScript's “for-in” loop?
...
If you write var i in the for loop the alert shows 2.
JavaScript Scoping and Hoisting
share
|
improve this answer
|
follow
|
...
How do I check for C++11 support?
...amed __cplusplus that C++ compilers should set to the version of the C++ standard supported see this
#if __cplusplus <= 199711L
#error This library needs at least a C++11 compliant compiler
#endif
It is set to 199711L in Visual Studio 2010 SP1, but I do not know if vendors will be so bold to...
Flatten an irregular list of lists
...
Using generator functions can make your example a little easier to read and probably boost the performance.
Python 2
def flatten(l):
for el in l:
if isinstance(el, collections.Iterable) and not isinstance(el, basestring):
for sub in flatten(el):
yield sub...
How do I check in SQLite whether a table exists?
... the complete query is:
SELECT name FROM sqlite_master WHERE type='table' AND name='{table_name}';
Where {table_name} is the name of the table to check.
Documentation section for reference: Database File Format. 2.6. Storage Of The SQL Database Schema
This will return a list of tables with the...
Fundamental difference between Hashing and Encryption algorithms
...Interviewer wanted the below answer.
Hashing is one way . You can not get convert your data/ string from a hash code.
Encryption is 2 way - you can decrypt again the encrypted string if you have the key with you.
share
...
How do I run a simple bit of code in a new thread?
...o be careful about using the flag, since you did not describe its purpose, and its naming could easily lead one to believe that it does something else than what it actually does.
– Zero3
Sep 23 '16 at 8:44
...
How to determine the version of the C++ standard used by the compiler?
How do you determine what version of the C++ standard is implemented by your compiler? As far as I know, below are the standards I've known:
...