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linux下修改默认MYSQL的root管理密码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...2、例子例1：给root加个密码123456。键入以下命令 ：[root@test1 local]# usr bin mysqladmin -u root password123456注：因为开始...例1：给root加个密码123456。
键入以下命令 ：
[root@test1 local]# /usr/bin/mysqladmin -u root password 123456
注：因为开始时roo...
VBA读写UTF8文本文件，VBA生成UTF-8无BOM格式的文件 - 更多技术 - 清泛网 -...
...BA生成UTF-8无BOM格式的文件vba_utf8_bomVBA读写UTF8文本文件Sub Test() Dim sht As Worksheet, scr, content As String, i, arr_acsp_xz(1 To 8), arr_acsp_xz_data(1 To 8), arr_wemzs(1 To 1 VBA读写UTF8文本文件
Sub Test()
Dim sht As Worksheet, scr, content As String, i, arr_ac...
Linux ftp上传文件 实战篇 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...传下载操作了，命令如下：
ftp> cd /remotedir
ftp> put /home/test remote_test
ftp> get remote_test /home/local_test
Linux ftp 上传
App Inventor 2 网络微数据库你用对了吗？ - App Inventor 2 中文网 - 清泛...
...人使用同一个空间，这就导致如果A用户保存了一个键“test”，值为“123”，B用户接着又保存键“test”值为“456”，那么这时A用户如果获取键“test”，这时它的值就是456。也就是说所有人的数据键是公用的，没有私有存储空间...
Detect application heap size in Android
...
This distinction is not clearly documented, so far as I know, but I have tested this hypothesis on five different Android devices (see below) and have confirmed to my own satisfaction that this is a correct interpretation.
For a stock version of Android, maxMemory() will typically return about th...
How to get label of select option with jQuery?
...st give an id to the select as
<select id=theid>
<option value="test">label </option>
</select>
then you can call the selected label like that:
jQuery('#theid option:selected').text()
share
...
Simple argparse example wanted: 1 argument, 3 results
...example of positional parameters, either, so here's a complete example:
# tested with python 2.7.1
import argparse
parser = argparse.ArgumentParser(description="An argparse example")
parser.add_argument('action', help='The action to take (e.g. install, remove, etc.)')
parser.add_argument('foo-bar...
Null or default comparison of generic argument in C#
...are known to be reference types, the default overload of defined on object tests variables for reference equality, although a type may specify its own custom overload. The compiler determines which overload to use based on the static type of the variable (the determination is not polymorphic). There...
Passing variable arguments to another function that accepts a variable argument list
...emplates:
#include <stdio.h>
template<typename... Args> void test(const char * f, Args... args) {
printf(f, args...);
}
int main()
{
int a = 2;
test("%s\n", "test");
test("%s %d %d %p\n", "second test", 2, a, &a);
}
At the very least, it works with g++.
...
HTML5 Canvas vs. SVG vs. div
...t the benefits of each, but I will give some of the relevant results of my tests to consider for your specific application:
I made Canvas and HTML DIV test pages, both had movable "nodes." Canvas nodes were objects I created and kept track of in Javascript. HTML nodes were movable Divs.
I added 10...