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Looping over arrays, printing both index and value
... This answer helpfully just explains: ""${!foo[@]}" is the list of all the indexes set in the array".
– pjhsea
Feb 18 '19 at 0:31
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How to access remote server with local phpMyAdmin client?
Assuming there is a remote server and I have phpMyAdmin client installed localy on my computer. How can I access this server and manage it via phpMyAdmin client? Is that possible?
...
How to handle click event in Button Column in Datagridview?
...here and even provided by the documentation at MSDN to hardcode the column index or column name in order to determine if a button was clicked. The click event registers for the entire grid, so somehow you need to determine that a button was clicked, but you should not do so by assuming that your bu...
Matching a space in regex
...X is the physical tab character (and each is preceded by a single space in all those examples).
These will work in every* regex engine I've ever seen (some of which don't even have the one-or-more "+" character, ugh).
If you know you'll be using one of the more modern regex engines, "\s" and its v...
Loading basic HTML in Node.js
...ugh.
var http = require('http'),
fs = require('fs');
fs.readFile('./index.html', function (err, html) {
if (err) {
throw err;
}
http.createServer(function(request, response) {
response.writeHeader(200, {"Content-Type": "text/html"});
response.wr...
CentOS 6.4下Squid代理服务器的安装与配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...开机启动
# /etc/init.d/httpd start
# chkconfig httpd on
C. 创建index.html
# echo "<h1>Squid-Web1/200.168.10.2" > /var/www/html/index.html
D. 修改Web服务器IP地址
将web服务器的IP地址修改为200.168.10.2
# ifconfig eth0 200.168.10.2
5.6 配置客户端IP地址
5.7 ...
NSInvocation for Dummies?
... any arguments for that method:
[myInvocation setArgument:&myString atIndex:2];
Note that object arguments must be passed by pointer. Thank you to Ryan McCuaig for pointing that out, and please see Apple's documentation for more details.
At this point, myInvocation is a complete object, desc...
Queries vs. Filters
...
An example (try it yourself)
Say index myindex contains three documents:
curl -XPOST localhost:9200/myindex/mytype -d '{ "msg": "Hello world!" }'
curl -XPOST localhost:9200/myindex/mytype -d '{ "msg": "Hello world! I am Sam." }'
curl -XPOST localhost:9200...
Convert a date format in PHP
...ion to the original question. For more extensive conversions, you should really be using the DateTime class to parse and format :-)
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List of tables, db schema, dump etc using the Python sqlite3 API
...ql_query("SELECT * from table_name", db)
table.to_csv(table_name + '.csv', index_label='index')
Dump all tables:
import sqlite3
import pandas as pd
def to_csv():
db = sqlite3.connect('database.db')
cursor = db.cursor()
cursor.execute("SELECT name FROM sqlite_master WHERE type='table...