大约有 900 项符合查询结果（耗时：0.0087秒） [XML]
Is MVC a Design Pattern or Architectural pattern
...
MVC is more of an architectural pattern, but not for complete application. MVC mostly relates to the UI / interaction layer of an application. You're still going to need business logic layer, maybe some service layer and data access layer. That is, if yo...
MySQL error code: 1175 during UPDATE in MySQL Workbench
I'm trying to update the column visited to give it the value 1. I use MySQL workbench, and I'm writing the statement in the SQL editor from inside the workbench. I'm writing the following command:
...
C# Java HashMap equivalent
Coming from a Java world into a C# one is there a HashMap equivalent? If not what would you recommend?
7 Answers
...
SQL Server reports 'Invalid column name', but the column is present and the query works through mana
...nect to SQL Server (something like userid.PerfDiag).
When you have an unqualified reference to a schema object (such as a table) — one not qualified by schema name — the object reference must be resolved. Name resolution occurs by searching in the following sequence for an object of the appropr...
How to check if a String contains only ASCII?
The call Character.isLetter(c) returns true if the character is a letter. But is there a way to quickly find if a String only contains the base characters of ASCII?
...
How do I replace NA values with zeros in an R dataframe?
I have a data frame and some columns have NA values.
21 Answers
21
...
`ui-router` $stateParams vs. $state.params
...troller that accesses it, and its parent states, while $state.params has all parameters, including those in any child states.
...
Peak detection in a 2D array
...ary clinic measuring pressure under a dogs paw. I use Python for my data analysis and now I'm stuck trying to divide the paws into (anatomical) subregions.
...
Webdriver Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms
...sue from the other side.
It appears Selenium and Firefox have difficulty talking to each other - I suspect Firefox 'evolve' changes over a number of releases, so backward and forward compatibility are not always guaranteed, and incompatibility always seems to generate the same error.
My problem st...
How do I check for C++11 support?
...s 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 increase it already if they just have (partial) compiler-level support versus a standard C++ library with all the C++11 changes.
So Boost's defines mentione...