大约有 40,000 项符合查询结果(耗时:0.0975秒) [XML]
PHP Error handling: die() Vs trigger_error() Vs throw Exception
...ch other. The first one is not an error at all, but just a way to stop the script and output some debugging info for you to manually parse. The second one is not an error per se, but will be converted into an error if you don't catch it. The last one is triggering a real error in the PHP engine whic...
Possible reason for NGINX 499 error codes
...here is no respond from nginx. Time outs might happen for busy websites or scripts that need more time for execution. You'll need to find timeout that will work for you. For example extend it to:
timeout client 180s
timeout server 180s
And you will be probably set.
Depending on your se...
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
...
Simple logical operators in Bash
... following condition (written out in words, then my failed attempt at bash scripting):
5 Answers
...
When should I use Memcache instead of Memcached?
...h of my code.
getDelayed() is a nice feature that can reduce the time your script has to wait for the results to come back from the server.
While the memcached server is supposed to be very stable, it is not the fastest. You can use binary protocol instead of ASCII with the newer client.
Whenever yo...
Create a shortcut on Desktop
...
With additional options such as hotkey, description etc.
At first, Project > Add Reference > COM > Windows Script Host Object Model.
using IWshRuntimeLibrary;
private void CreateShortcut()
{
object shDesktop = (object)"Desktop";
WshShell shell = new W...
Find a string by searching all tables in SQL Server Management Studio 2008
...
This script fails when the schema of a table is not "dbo" unfortunately most of the tables in be DB have different schemas. Works fine for the couple of "dbo" ones.
– rob
Nov 2 '17 at 11:12
...
Accessing the web page's HTTP Headers in JavaScript
How do I access a page's HTTP response headers via JavaScript?
17 Answers
17
...
In SQL Server, when should you use GO and when should you use semi-colon ;?
...
The reason why you see so many GO's in Generated DDL scripts is because of the following rule about batches.
CREATE DEFAULT, CREATE FUNCTION,
CREATE PROCEDURE, CREATE RULE, CREATE
TRIGGER, and CREATE VIEW statements
cannot be combined with other
statements in a batc...
What is the difference between a function expression vs declaration in JavaScript? [duplicate]
...
@JCM AFAIK, the name property is not part of ECMAScript and is only implemented in some browsers. Function.name at MDN
– Zach Lysobey
Apr 2 '13 at 20:55
7...