大约有 41,000 项符合查询结果（耗时：0.0720秒） [XML]
Unix command-line JSON parser? [closed]
... you to do powerful things really easily:
cat earthporn.json | underscore select '.data .title'
# [ 'Fjaðrárgljúfur canyon, Iceland [OC] [683x1024]',
# 'New town, Edinburgh, Scotland [4320 x 3240]',
# 'Sunrise in Bryce Canyon, UT [1120x700] [OC]',
# ...
# 'Kariega Game Reserve, South Afric...
How to delete all rows from all tables in a SQL Server database?
...t:
DECLARE @Nombre NVARCHAR(MAX);
DECLARE curso CURSOR FAST_FORWARD
FOR
Select Object_name(object_id) AS Nombre from sys.objects where type = 'U'
OPEN curso
FETCH NEXT FROM curso INTO @Nombre
WHILE (@@FETCH_STATUS <> -1)
BEGIN
IF (@@FETCH_STATUS <> -2)
BEGIN
DECLARE @statement NVARC...
What is a Proxy in Doctrine 2?
...protected $lastname;
// bunch of setters/getters here
}
DQL query:
SELECT u.id, u.username FROM Entity\User u WHERE u.id = :id
As you can see this query doesn't return firstname and lastname properties, therefore you cannot create User object. Creation of incomplete entity could lead to un...
How to solve “The specified service has been marked for deletion” error
...ing state. The following procedure worked for me:
open task manager > select services tab > select the service > right click and select "go to process" > right click on the process and select End process
Service should be gone after that
...
How to compare only date components from DateTime in EF?
...m having two date values, one already stored in the database and the other selected by the user using DatePicker. The use case is to search for a particular date from the database.
...
Python - Create a list with initial capacity
...iostream>
#include <chrono>
using namespace std;
void test(const char* name, void(*fn)(void))
{
cout << name << ": ";
auto start = chrono::high_resolution_clock::now();
for (unsigned int i = 0; i < Iterations; ++i) {
fn();
}
auto end = chrono::hi...
How to break lines at a specific character in Notepad++?
... + h or Search -> Replace on the top menu
Under the Search Mode group, select Regular expression
In the Find what text field, type ],\s*
In the Replace with text field, type ],\n
Click Replace All
share
|
...
Is there a MySQL option/feature to track history of changes to records?
...i AFTER INSERT ON MyDB.data FOR EACH ROW
INSERT INTO MyDB.data_history SELECT 'insert', NULL, NOW(), d.*
FROM MyDB.data AS d WHERE d.primary_key_column = NEW.primary_key_column;
CREATE TRIGGER MyDB.data__au AFTER UPDATE ON MyDB.data FOR EACH ROW
INSERT INTO MyDB.data_history SELECT 'up...
Is there a standard keyboard shortcut to build the current project in Visual Studio?
...mmand doesn't seem to work in VS2008.
Assign the shortcut to "Build.BuildSelection". If you have a solution with several projects and files open from the various projects, whatever file you are currently editing will define the project that will be built when you use the assigned shortcut for "Bu...
String concatenation in MySQL
...most DBMSs use of + or || for concatenation. It uses the CONCAT function:
SELECT CONCAT(first_name, " ", last_name) AS Name FROM test.student
As @eggyal pointed out in comments, you can enable string concatenation with the || operator in MySQL by setting the PIPES_AS_CONCAT SQL mode.
...