大约有 40,000 项符合查询结果(耗时:0.0461秒) [XML]
How do I run a Python program?
..."Save as" in your editor. Lets call it 'first.py' in some folder, like "pyscripts" that you make on your Desktop.
Open a prompt (a Windows 'cmd' shell that is a text interface into the computer):
start > run > "cmd" (in the little box). OK.
Navigate to where your python file is, usi...
Repeat String - Javascript
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This problem is a well-known / "classic" optimization issue for JavaScript, caused by the fact that JavaScript strings are "immutable" and addition by concatenation of even a single character to a string requires creation of, including memory allocation for and copying to, an entire new strin...
Is it possible to cache POST methods in HTTP?
..._POST
Demonstration of Browser Behavior
Given the following example JavaScript application (index.js):
const express = require('express')
const app = express()
let count = 0
app
.get('/asdf', (req, res) => {
count++
const msg = `count is ${count}`
console.log(msg...
jquery change class name
.... Of course, if you wanted to do it that way, you could easily modify the script to use IDs rather than values by saying
.filter("#"+useVal)
and make sure to add the ids appropriately. Hope this helps!
share
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Trying to fix line-endings with git filter-branch, but having no luck
...at your it might be:
One easy way to get a 'file not found' error for the script is by using a relative path - use an absolute one. Similarly you could get a permissions error if you haven't made your script executable (chmod +x).
Add comments and I'll try and help you work it out!
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Easy way to turn JavaScript array into comma-separated list?
I have a one-dimensional array of strings in JavaScript that I'd like to turn into a comma-separated list. Is there a simple way in garden-variety JavaScript (or jQuery) to turn that into a comma-separated list? (I know how to iterate through the array and build the string myself by concatenation if...
Export query result to .csv file in SQL Server 2008
...es escaping. To get this to run, I had to add two lines at the top of the script: Add-PSSnapin SqlServerCmdletSnapin100 and Add-PSSnapin SqlServerProviderSnapin100.
– Eric J.
Dec 7 '14 at 22:28
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List of all index & index columns in SQL Server DB
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-- or to generate creation scripts put a simple wrapper around that
SELECT SchemaName, TableName, IndexName,
(CASE pk
WHEN 'PK' THEN 'ALTER '+
'TABLE '+SchemaName+'.'+TableName+' ADD CONSTRAINT '+IndexName+' PRIMARY KEY'+
(CASE substrin...
How to concatenate two strings to build a complete path
I am trying to write a bash script. In this script I want user to enter a path of a directory. Then I want to append some strings at the end of this string and build a path to some subdirectories.
For example assume user enters an string like this:
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How to execute a bash command stored as a string with quotes and asterisk [duplicate]
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@joshmcode, ...if we want deployed systems running scripts built w/ advice from ServerFault to have injection vulnerabilities. Getting details right matters. The worst data-loss incident I've been present for was when someone didn't use adequate quoting when handling filename...