大约有 44,000 项符合查询结果(耗时:0.0560秒) [XML]
Using an ORM or plain SQL? [closed]
...ent store, when a ORM tool frees you from writing boilerplate SQL queries (selects by PK or by predicates, inserts, updates and deletes) and lets you concentrate on the problem domain.
share
|
impro...
SQLite Concurrent Access
...
If most of those concurrent accesses are reads (e.g. SELECT), SQLite can handle them very well. But if you start writing concurrently, lock contention could become an issue. A lot would then depend on how fast your filesystem is, since the SQLite engine itself is extremely fast...
How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
...te a query and fill the data table with the data from the DB
string sql = "SELECT Whatever FROM MyDBTable;";
OleDbCommand cmd = new OleDbCommand(sql, con);
OleDbDataAdapter adptr = new OleDbDataAdapter();
adptr.SelectCommand = cmd;
adptr.Fill(dt);
con.Close();
//Add the table to the data set
ds.Ta...
ASP.NET MVC: No parameterless constructor defined for this object
... @ToaoG your dependency injection library should provide you a way to select the "injection constructor". Btw, having dependency injection in viewmodels looks odd.
– SandRock
Feb 5 '15 at 14:19
...
.gitignore for Visual Studio Projects and Solutions
.... In Visual Studio 2017, you can just right click on the solution file and select Add solution to source control
This will add two files to your source folder.
.gitattributes
.gitignore
This is the easiest way.
share...
iOS Tests/Specs TDD/BDD and Integration & Acceptance Testing
...discount code; it may differ if the specified item can't be shipped by the selected shipping method; etc. As these possible conditions intersect with one another you end up with a geometrically increasing number of possible contexts; in xUnit-style testing this often leads to a lot of methods with ...
Lombok annotations do not compile under Intellij idea [duplicate]
...se" to search for non-bundled plugins
The "Lombok Plugin" should show up. Select it.
Click the green "Install" button.
Click the "Restart Intellij IDEA" button.
Settings:
Enable Annotation processor
Go to Preferences -> Build, Execution,Deployment -->Preferences -> Compiler -> An...
Reset C int array to zero : the fastest way?
...
You can use memset, but only because our selection of types is restricted to integral types.
In general case in C it makes sense to implement a macro
#define ZERO_ANY(T, a, n) do{\
T *a_ = (a);\
size_t n_ = (n);\
for (; n_ > 0; --n_, ++a_)\
*a_ = ...
Simplest way to serve static data from outside the application server in a Java web application
...ith the change in web.xml I can get a list of files in order to send it to select box ?
– Tomasz Waszczyk
Nov 21 '16 at 7:54
1
...
How to measure time taken by a function to execute
...'s execution time.
To profile your JavaScript:
In Chrome, press F12 and select the Profiles tab, then Collect JavaScript CPU Profile.
In Firefox, install/open Firebug, and click on the Profile button.
In IE 9+, press F12, click on Script or Profiler (depending on your version of IE).
Alternat...
