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Splitting string with pipe character (“|”) [duplicate]
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It took me like 15 minutes to track this down as I was mysteriously getting the same problem and thought it was related to my newbie (for java 8) use of Array.AsList or Arrays.stream - thanks devnull!
– JGlass
Sep 19 '18 at 19:...
vim 命令与快捷键 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...标前A:行末o:光标后插入新行O:光标上插入新行定位h:leftj:downk:upl:right$:行尾0：行首H:...:set nu 设置行号
插入命令
i：光标后
I：行首
a:光标前
A:行末
o:光标后插入新行
O:光标上插入新行
定位
h:left
j:down
k:up
l:right
$:行尾
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Linux 网卡速率（百兆/千兆）的查看及调整 - 操作系统(内核) - 清泛网 - 专...
...兆or千兆等）
ip -d link #查看网卡工作状态：UP -启用；DOWN -未启用
ethtool -s {ethXXX} [speed 10|100|1000] #设置网卡速率为10M/100M/1000M
注：上述命令仅限于物理机查看，虚拟机无效，虚拟机需要在宿主机上进行设置。
--End--
linux eth...
App Inventor 2 如何下载/保存网络图片？ - App Inventor 2 中文网 - 清泛...
App Inventor 2 如何下载/保存网络图片？ai2_down_webpics首先，需要使用Web客户端组件，需要和网络url进行数据交互的场景就要考虑使用它，Web客户端组件在通信连接抽屉中：设置好网络图片的url，然后执行Get方法即可，代码如下：其...
Globally catch exceptions in a WPF application?
...the app.config will prevent your secondary threads exception from shutting down the application.
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What is the point of function pointers?
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Most examples boil down to callbacks: You call a function f() passing the address of another function g(), and f() calls g() for some specific task. If you pass f() the address of h() instead, then f() will call back h() instead.
Basically, t...
Add text to Existing PDF using Python
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You may have better luck breaking the problem down into converting PDF into an editable format, writing your changes, then converting it back into PDF. I don't know of a library that lets you directly edit PDF but there are plenty of converters between DOC and PDF for ex...
Find CRLF in Notepad++
...ct one of the CRLF 'characters' (put the cursor just in front of one, hold down the SHIFT key, and then pressing the RIGHT CURSOR key once).
Copy the CRLF character to the clipboard.
Make sure that you don't have the find or find/replace dialog open.
Open the find/replace dialog.
The 'Find what' fie...
Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
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It really comes down to preference, but what will sway you in a particular direction might be the editor you code with. For instance, the auto-complete feature of TextMate stops at a hyphen, but sees words separated by an underscore as a sin...
Why do python lists have pop() but not push()
...". Adding to the stack implies placing an element on the top and "pushing" down. "Pushing" at the front makes no sense (at least not linguistically). And just to make things even more confusing, C++ uses "push_front" and "push_back".
– JesperE
Sep 23 '13 at 9:0...