Lập Trình .NET

npm install gulp-sass --save-dev

var gulp = require('gulp');
var $ = require('gulp-load-plugins')({lazy: true});

gulp.task('clean-styles', function () {
    return gulp.src('build/styles', {read: false})
 .pipe($.clean());
});

gulp.task('styles',['clean-styles'], function () {
    return gulp.src('source/scss/**/*.scss')
 .pipe($.sass())
 .pipe(gulp.dest('build/styles'));
});

var gulp = require('gulp');
var clean = require('gulp-clean');
var concat = require('gulp-concat');
var babel = require('gulp-babel');
var uglify = require('gulp-uglify');
var jshint = require('gulp-jshint');
var jscs =  require('gulp-jscs');

gulp.task('clean', function () {
    return gulp.src('build', {read: false})
        .pipe(clean());
});

gulp.task('build', ['clean'], function() {
     return gulp.src('source/**/*.js')
  .pipe(jshint())
  .pipe(jshint.reporter('jshint-stylish'))
  .pipe(jshint.reporter('fail'))
    .pipe(babel({
        presets: 'es2015'
    }))
 .pipe(concat('all.js'))
 .pipe(uglify())
    .pipe(gulp.dest('build'));
})

gulp.task('jshint', function () {
    return gulp.src('source/**/*.js')
        .pipe(jscs())
  .pipe(jshint())
  .pipe(jshint.reporter('jshint-stylish'))
  .pipe(jshint.reporter('fail'));
});

gulp.task('default', ['build'])

npm install --save-dev gulp-load-plugins

var gulp = require('gulp');
var $ = require('gulp-load-plugins')({lazy: true});

gulp.task('clean', function () {
    return gulp.src('build', {read: false})
        .pipe($.clean());
});

gulp.task('build', ['clean'], function() {
     return gulp.src('source/**/*.js')
  .pipe($.jshint())
  .pipe($.jshint.reporter('jshint-stylish'))
  .pipe($.jshint.reporter('fail'))
    .pipe($.babel({
        presets: 'es2015'
    }))
 .pipe($.concat('all.js'))
 .pipe($.uglify())
    .pipe(gulp.dest('build'));
})

gulp.task('jshint', function () {
    return gulp.src('source/**/*.js')
        .pipe($.jscs())
  .pipe($.jshint())
  .pipe($.jshint.reporter('jshint-stylish'))
  .pipe($.jshint.reporter('fail'));
});

gulp.task('default', ['build'])

npm install jshint gulp-jshint jshint-stylish --save-dev

{
  "esversion": 6
}

var gulp = require('gulp');
var jshint = require('gulp-jshint');

gulp.task('jshint', function () {
    return gulp.src('source/**/*.js')
  .pipe(jshint())
  .pipe(jshint.reporter('jshint-stylish'))
  .pipe(jshint.reporter('fail'));
});

npm install gulp -g

npm install gulp --save-dev

npm install gulp-babel --save-dev

npm install gulp-uglify --save-dev

npm install gulp-concat --save-dev

npm install gulp-clean --save-dev

var gulp = require('gulp');
var clean = require('gulp-clean');
var concat = require('gulp-concat');
var babel = require('gulp-babel');
var uglify = require('gulp-uglify'); 

gulp.task('clean', function () {
    return gulp.src('build', {read: false})
        .pipe(clean());
});

gulp.task('build', ['clean'], function() {
     return gulp.src('source/**/*.js')
    .pipe(babel({
        presets: 'es2015'
    }))
   .pipe(concat('all.js'))
   .pipe(uglify())
   .pipe(gulp.dest('build'));
})

gulp.task('default', ['build'])

npm install babel-cli -g

npm install babel-cli --save-dev

npm install babel-preset-es2015 --save-dev

babel [source-folder] --presets es2015 --out-dir [build-folder]

babel [source] --presets es2015 --out-file [build/bundle.js]

babel [source] --presets es2015 --out-file [build/bundle.js] -w

{
    "presets": ["es2015"],
    "plugins": [],
    "sourceMaps": true
}

npm install bower -g

bower init

bower install [package_name]

bower install [package_name] --save

bower install [package_name] --save-dev

bower install [package_name]#[version]

{
  "directory": "bower_components"
}

npm init

npm install [package_name] --save

npm install [package_name] --save-dev

npm install [package_name] -g

npm install [package_name]@[version] --save

npm install [package_name]@[version] --save-dev

npm install [package_name]@[version] -g

using System.Net;

namespace Owin
{
    public static class WindowsAuthenticationExtensions
    {
        public static IAppBuilder UseWindowsAuthentication(this IAppBuilder app)
        {
            object value;
            if (app.Properties.TryGetValue("System.Net.HttpListener", out value))
            {
                var listener = value as HttpListener;
                if (listener != null)
                {
                    listener.AuthenticationSchemes =
                        AuthenticationSchemes.IntegratedWindowsAuthentication;
                }
            }

            return app;
        }
    }
}

<textarea ng-pattern="/^([^,]+)(,[^,]+)*$/i"></textarea>

<textarea ng-pattern="/^([^,]+)(,[^,]+)*(,?)$/i"></textarea>

select cast(cast('2016-09-30 16:10:53.49876' as datetime2) as datetime)
-- result: 2016-09-30 16:10:53.500

1. Go to the repository browser (<right click>/TortoiseSVN/Repo-browser/<enter URL>).
2. Open right click menu on branch B, select 'Mark for comparison'.
3. Then open right click menu on branch A, select 'Compare URLs' or 'Show differences as unified diff'.

• count the number of ID selectors in the selector (= a)
• count the number of class selectors, attributes selectors, and pseudo-classes in the selector (= b)
• count the number of type selectors and pseudo-elements in the selector (= c)
• ignore the universal selector

*               /* a=0 b=0 c=0 -> specificity =   0 */
LI              /* a=0 b=0 c=1 -> specificity =   1 */
UL LI           /* a=0 b=0 c=2 -> specificity =   2 */
UL OL+LI        /* a=0 b=0 c=3 -> specificity =   3 */
H1 + *[REL=up]  /* a=0 b=1 c=1 -> specificity =  11 */
UL OL LI.red    /* a=0 b=1 c=3 -> specificity =  13 */
LI.red.level    /* a=0 b=2 c=1 -> specificity =  21 */
#x34y           /* a=1 b=0 c=0 -> specificity = 100 */
#s12:not(FOO)   /* a=1 b=0 c=1 -> specificity = 101 */

DECLARE @tblStudent table(Name varchar(50), Age int);
insert into @tblStudent(Name,Age) values('Name 1',1)
insert into @tblStudent(Name,Age) values('Name 2',2)

DECLARE @name VARCHAR(50) 
DECLARE @age int

DECLARE myCursor CURSOR FOR  
SELECT Name, Age
FROM @tblStudent

OPEN myCursor   
FETCH NEXT FROM myCursor INTO @name,@age  

WHILE @@FETCH_STATUS = 0   
BEGIN   
       print(@name + ' - ' + cast(@age as varchar))
       FETCH NEXT FROM myCursor INTO @name ,@age 
END   

CLOSE myCursor   
DEALLOCATE myCursor

declare @currPage int = 2,-- trang hiện tại
@recodperpage int = 20;-- số dòng trên 1 trang

select *,COUNT(*) OVER () as TotalRecords from [TenBang]
order by [TenCot]
OFFSET (@currPage - 1)*@recodperpage ROWS
FETCH NEXT @recodperpage ROWS ONLY

var insertAt = function (originalStr, index, string) {
     return originalStr.substr(0, index) + string + originalStr.substr(index);
}
var formatNumber = function (number) {
    var rs;
    var part = number.replace("-", "").split('.');
    var len = part[0].length;
    var i = parseInt(len / 3);
    if (i > 0) {
        var pos = len % 3;
        if (pos > 0) {
            part[0] = insertAt(part[0],pos, ",");
            pos += 4;
        }
        else {
            pos = 3;
        }

        for (var k = 1; k < i; k++) {
            part[0] = insertAt(part[0],pos, ",");
            pos += 4;
        }

    }
    if (number.indexOf(".") >= 0) {
        rs = part[0] + "." + part[1];
    }
    else
        rs = part[0];

    if (number.indexOf("-") == 0)
        rs = "-" + rs;

    return rs;
}

CREATE TABLE #x -- feel free to use a permanent table
(
  drop_script NVARCHAR(MAX),
  create_script NVARCHAR(MAX)
);
  
DECLARE @drop   NVARCHAR(MAX) = N'',
        @create NVARCHAR(MAX) = N'';

-- drop is easy, just build a simple concatenated list from sys.foreign_keys:
SELECT @drop += N'
ALTER TABLE ' + QUOTENAME(cs.name) + '.' + QUOTENAME(ct.name) 
    + ' DROP CONSTRAINT ' + QUOTENAME(fk.name) + ';'
FROM sys.foreign_keys AS fk
INNER JOIN sys.tables AS ct
  ON fk.parent_object_id = ct.[object_id]
INNER JOIN sys.schemas AS cs 
  ON ct.[schema_id] = cs.[schema_id];

INSERT #x(drop_script) SELECT @drop;

-- create is a little more complex. We need to generate the list of 
-- columns on both sides of the constraint, even though in most cases
-- there is only one column.
SELECT @create += N'
ALTER TABLE ' 
   + QUOTENAME(cs.name) + '.' + QUOTENAME(ct.name) 
   + ' ADD CONSTRAINT ' + QUOTENAME(fk.name) 
   + ' FOREIGN KEY (' + STUFF((SELECT ',' + QUOTENAME(c.name)
   -- get all the columns in the constraint table
    FROM sys.columns AS c 
    INNER JOIN sys.foreign_key_columns AS fkc 
    ON fkc.parent_column_id = c.column_id
    AND fkc.parent_object_id = c.[object_id]
    WHERE fkc.constraint_object_id = fk.[object_id]
    ORDER BY fkc.constraint_column_id 
    FOR XML PATH(N''), TYPE).value(N'.[1]', N'nvarchar(max)'), 1, 1, N'')
  + ') REFERENCES ' + QUOTENAME(rs.name) + '.' + QUOTENAME(rt.name)
  + '(' + STUFF((SELECT ',' + QUOTENAME(c.name)
   -- get all the referenced columns
    FROM sys.columns AS c 
    INNER JOIN sys.foreign_key_columns AS fkc 
    ON fkc.referenced_column_id = c.column_id
    AND fkc.referenced_object_id = c.[object_id]
    WHERE fkc.constraint_object_id = fk.[object_id]
    ORDER BY fkc.constraint_column_id 
    FOR XML PATH(N''), TYPE).value(N'.[1]', N'nvarchar(max)'), 1, 1, N'') + ');'
FROM sys.foreign_keys AS fk
INNER JOIN sys.tables AS rt -- referenced table
  ON fk.referenced_object_id = rt.[object_id]
INNER JOIN sys.schemas AS rs 
  ON rt.[schema_id] = rs.[schema_id]
INNER JOIN sys.tables AS ct -- constraint table
  ON fk.parent_object_id = ct.[object_id]
INNER JOIN sys.schemas AS cs 
  ON ct.[schema_id] = cs.[schema_id]
WHERE rt.is_ms_shipped = 0 AND ct.is_ms_shipped = 0;

UPDATE #x SET create_script = @create;

PRINT @drop;
PRINT @create;

/*
EXEC sp_executesql @drop
-- clear out data etc. here
EXEC sp_executesql @create;
*/