大约有 20,000 项符合查询结果（耗时：0.0256秒） [XML]
Unique constraint on multiple columns
...
USE [TSQL2012]
GO
/****** Object: Table [dbo].[Table_1] Script Date: 11/22/2015 12:45:47 PM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[Table_1](
[seq] [bigint] IDENTITY(1,1) NOT NULL,
[ID] [int] NOT NULL,
[name] [nvarchar](50) NULL,
...
Using pg_dump to only get insert statements from one table within database
...
Put into a script I like something like that:
#!/bin/bash
set -o xtrace # remove me after debug
TABLE=charge_unit
DB_NAME=prod_sit_entities_db
BASE_DIR=/var/backups/someDir
LOCATION="${BASE_DIR}/myApp_$(date +%Y%m%d_%H%M%S)"
FNAME="${...
Using variables inside a bash heredoc
...a piece of literal text.
A common task is to combine local variables with script which should be evaluated by a different shell, programming language, or remote host.
local=$(uname)
ssh -t remote <<:
echo "$local is the value from the host which ran the ssh command"
# Prevent here do...
How to Remove ReadOnly Attribute on File Using PowerShell?
... remove the ReadOnly attribute on a file, using a PowerShell (version 1.0) script?
6 Answers
...
Passing HTML to template using Flask/Jinja2
... It's worth mentioning that you should be careful to avoid Cross-Site Scripting vulnerabilities when you do this, as you're disabling the templating library's built-in protections against it.
– Harry Cutts
Jul 3 '18 at 17:41
...
MS-DOS Batch file pause with enter key
Is it possible in MS-DOS batch file to pause the script and wait for user to hit enter key?
5 Answers
...
Compare integer in bash, unary operator expected
...
Your piece of script works just great. Are you sure you are not assigning anything else before the if to "i"?
A common mistake is also not to leave a space after and before the square brackets.
...
What is the difference between Non-Repeatable Read and Phantom Read?
...and Bob start two database transactions.
Bob’s reads the post record and title column value is Transactions.
Alice modifies the title of a given post record to the value of ACID.
Alice commits her database transaction.
If Bob’s re-reads the post record, he will observe a different version of thi...
How to send only one UDP packet with netcat?
... -q1 option on my netcat. Instead I used the -w1 option. Below is the bash script I did to send an udp packet to any host and port:
#!/bin/bash
def_host=localhost
def_port=43211
HOST=${2:-$def_host}
PORT=${3:-$def_port}
echo -n "$1" | nc -4u -w1 $HOST $PORT
...
Choosing a file in Python with simple Dialog
...uce a dependency on any python GUI toolkits, but I wanted some of my debug scripts to be parameterized by input files and wanted to visually prompt the user for a file if they didn't specify one on the command line. Zenity was a perfect fit. To achieve this, invoke "zenity --file-selection" using th...