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wkhtmltopdf: cannot connect to X server
...le called wkhtmltopdf.sh and add the following:
xvfb-run -a -s "-screen 0 640x480x16" wkhtmltopdf "$@"
Move this shell script to /usr/local/bin, and set permissions:
sudo chmod a+x /usr/local/bin/wkhtmltopdf.sh
Check to see if it works once again: run
/usr/local/bin/wkhtmltopdf.sh http://www....
How do I determine the current operating system with Node.js
...
On Mac the variable returns darwin. On Windows, it returns win32 (even on 64 bit).
Current possible values are:
aix
darwin
freebsd
linux
openbsd
sunos
win32
I just set this at the top of my jakeFile:
var isWin = process.platform === "win32";
...
How do I compile a Visual Studio project from the command-line?
...re many version of the msbuild.exe.
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\msbuild.exe
C:\Windows\Microsoft.NET\Framework64\v3.5\msbuild.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\msbuild.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\msbuild.exe
C:\Windows\Microsof...
How can I tell if a library was compiled with -g?
...ng libvoidincr.a
In archive libvoidincr.a:
voidincr.o: file format elf64-x86-64
If there are debugging symbols, the output will be much more verbose.
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MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...的消息服务质量。提供不同等级的“服务质量”。
协议位置TCP是OSI第四层的传输层协议。MQTT是基于TCP的七层应用层协议。
协议定位TCP设计考虑的是面向连接的、可靠的、基于字节流的传输层通信协议。MQTT则是在低带宽高延...
Strings in a DataFrame, but dtype is object
...ndarray. Every element in a ndarray must has the same size in byte. For int64 and float64, they are 8 bytes. But for strings, the length of the string is not fixed. So instead of save the bytes of strings in the ndarray directly, Pandas use object ndarray, which save pointers to objects, because of ...
Are there any free Xml Diff/Merge tools available? [closed]
...ments (you may wish to enable DisplayXMLFiles prefilter).
DisplayXMLFiles.dll - This plugin pretty-prints XML files nicely by inserting tabs and line breaks. This is useful for XML files that do not have line returns in convenient locations.
See also my feature comparison table.
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How add context menu item to Windows Explorer for folders [closed]
...ments to specify which icon to use. Example: %SystemRoot%\System32\shell32.dll,3
Display only on shift-click: adds an empty string value named Extended for key created at step 1
Customize menu entry label: change the value of default value for key created at step 1
Change menu entry location: add a ...
Maximum length of HTTP GET request
...--------------------------------
Chrome 32779 >64k
Android 8192 >64k
Firefox >64k >64k
Safari >64k >64k
Internet Explorer 11 2047 5120
Edge 16 2047 ...
HTTP Error 404.3 - Not Found" while browsing wcf service on Windows Server 2008(64bit)
...lication based on .Net Framework 3.5 sp1 and hosted on windows server 2008(64bit).
7 Answers
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