大约有 8,000 项符合查询结果（耗时：0.0244秒） [XML]
Check if an apt-get package is installed and then install it if it's not on Linux
...$pkg"
echo $?
sudo apt remove -y "$pkg"
dpkg -s "$pkg"
echo $?
ls -l /usr/lib/python3/dist-packages/certbot/reporter.py
sudo apt remove --purge certbot
dpkg -s "$pkg"
echo $?
ls -l /usr/lib/python3/dist-packages/certbot/reporter.py
then:
the first two echo $? output 0, only the third one outpu...
阿里双11大型项目管理怎么玩？ - 项目管理 - 清泛网 - 专注C/C++及内核技术
...否还在大会小会、邮件、群消息来推进项目进度？还在使用表格、文档来记录项目完成状态？在面对大型项目、有几百人需进行工作沟通和协作 你是否还在大会小会、邮件、群消息来推进项目进度？还在使用表格、文档来记录...
How to save MySQL query output to excel or .txt file? [duplicate]
...on so it cannot execute this statement, you can stillsave the file in /var/lib/mysql-files/ (Debian) and move it to your desired location after.
– maulinglawns
Jan 20 '17 at 17:31
...
Assigning a variable NaN in python without numpy
...st):
File "<stdin>", line 1, in <module>
File "C:\Python35\lib\fractions.py", line 146, in __new__
numerator)
ValueError: Invalid literal for Fraction: 'nan'
>>>
>>> Fraction(float('nan'))
Traceback (most recent call last):
File "<stdin>", line 1, in <...
wait() or sleep() function in jquery?
...r; border-color: blue;}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script type="text/javascript" src="https://cdn.xml4jquery.com/ajax/libs/xml4jquery/1.1.2/xml4jquery.js"></script>
<div class="toFill clickable">...
Wildcards in jQuery selectors
...($('[id*=ander]'));
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="jander1"></div>
<div id="jander2"></div>
This will select the given string anywhere in the id.
...
Add CSS or JavaScript files to layout head from views or partial views
...ar(ItemRegistrarFormatters.StyleFormat,_urlHelper);
styles.Add(Libraries.UsedStyles());
styles.Add(_styleRefs);
return styles.Render();
}
public IHtmlString RenderScripts()
{
ItemRegistrar scripts = new ItemRegistrar(ItemRegistr...
Gem::LoadError for mysql2 gem, but it's already in Gemfile
...h Windows is version 0.3.11.
So I edited file c:\RailsInstaller\Ruby1.9.3\lib\ruby\gems\1.9.1\gems\activerecord-4.1.1\lib\active_record\connection_adapters\mysql2_adapter.rb and changed line gem 'mysql2', '~> 0.3.13' to gem 'mysql2', '~> 0.3.11', and it works so far.
...
Python strptime() and timezones?
...e tend to use python-dateutil, I'd like to point us one limitation of that lib. >>> parser.parse("Thu, 25 Sep 2003 10:49:41,123 -0300") Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/Users/wanghq/awscli/lib/python2.7/site-packages/d...
Your build failed due to an error in the AAPT stage, not because of an...
...字符一个或多个屏幕名称包含下划线“_”字符 - 只能使用字母和数字图标文件不是 PNG 或太大（使用 96pix x 96pix 零压缩 PNG）该项目包含尚未针对 Android优化的图像 Optimize Images for AndroidProject、Screen、Block、Procedure Component 或 Asset ...