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“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
...ed to start because it could not find or load the Qt platform plugin "xcb" error was thrown.
How to resolve this in Linux
Firstly you should create platforms directory where your binary is, because it is the place where Qt looks for XCB library. Copy libqxcb.so there. I wonder why authors of other a...
Writing Unicode text to a text file?
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Thanks. This runs without an error, but then if I open the text file, I see a bunch of weird symbols :) I need to copy and paste the text into a Wordpress page (don't ask). Is there any way I can actually print the symbols that are there? I guess not to ...
Set the value of a variable with the result of a command in a Windows batch file
...theValue=`command`
Consider the case where the command fails, causing an error.
In the Unix shell version, the assignment to "theValue" still occurs, any previous value being replaced with an empty value.
In the Windows batch version, it's the "for" command which handles the error, and the "do" ...
What's a reliable way to make an iOS app crash?
...or exactly this purpose, so it shouldn't generate any compiler warnings or errors.
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How to define two angular apps / modules in one page?
...could reference the unminified version of AngularJS and breakpoint on that error to see the if condition. From what I can make out from your StackOverflow question link, it sounds like you want to dynamically "inject" a module at runtime. If so you might want to take a look at this article: weblogs....
How to detect online/offline event cross-browser?
...ther signals to detect if you are offline including listening for AppCache error events and responses from XMLHttpRequest"
This links to an example of the "listening for AppCache error events" approach:
http://www.html5rocks.com/en/mobile/workingoffthegrid/#toc-appcache
...and an example of the "lis...
Should 'using' directives be inside or outside the namespace?
...ck that one and issue a compiler warning. Otherwise, give up (compile-time error).
Now, let's be explicit about what this means in a concrete example with the two major conventions.
(1) With usings outside:
using System;
using System.Collections.Generic;
using System.Linq;
//using MyCorp.TheProdu...
Why is list initialization (using curly braces) better than the alternatives?
...char c2 = val2; // if val2==1025, c2 becomes 1 (bad)
int x3 {val}; // error: possible truncation (good)
char c3 {val2}; // error: possible narrowing (good)
char c4 {24}; // OK: 24 can be represented exactly as a char (good)
char c5 {264}; // error (assuming 8-bit chars): 264 cann...
MySQL Workbench: How to keep the connection alive
Error Code: 2013. Lost connection to MySQL server during query
9 Answers
9
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MySQL主从服务器数据一致性的核对与修复 - 数据库(内核) - 清泛网 - 专注C/...
...喜你中招了：
mysql> SHOW SLAVE STATUS\G
Last_Errno: 1062
Last_Error: Error 'Duplicate entry '...' for key ...' on query.
为啥会出现唯一索引键值重复？最大的可能是错误的对从服务器做了写操作！出现此类错误的时候，很多人会用sql_slave_skip_cou...