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Java: Clear the console
...Now when the Java process is connected to a console, i.e. has been started from a command line without output redirection, it will clear the console.
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How are POST and GET variables handled in Python?
...est.POST['username'] # for POST form method
Using Turbogears, Cherrypy:
from cherrypy import request
print request.params['username']
Web.py:
form = web.input()
print form.username
Werkzeug:
print request.form['username']
If using Cherrypy or Turbogears, you can also define your handler f...
微软VS苹果 桌面操作系统的终极一战 - 创意 - 清泛网 - 专注C/C++及内核技术
... 桌面操作系统的终极一战苹果将在九月份推出正式版的OS X El Capitan。虽然对于苹果来说，这看上去只是每年一次的例行升级，不过结合微软在7月底的大动作，今年的桌面操作系统大战，很有可能是这两家巨头厂商对于抢夺用户...
Negation in Python
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Combining the input from everyone else (use not, no parens, use os.mkdir) you'd get...
specialpathforjohn = "/usr/share/sounds/blues"
if not os.path.exists(specialpathforjohn):
os.mkdir(specialpathforjohn)
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Remove redundant paths from $PATH variable
...es. If you want to have just the String, remove $PATH + the semicolon (:) from your command. It doesn't matter if you use echo or edit the file ~/.bashrc by hand.
– hovanessyan
Jul 25 '12 at 13:47
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OS X: equivalent of Linux's wget
How can I do an HTTP GET from a Un*x shell script on a stock OS X system? (installing third-party software is not an option, for this has to run on a lot of different systems which I don't have control on).
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Generating a unique machine id
...ecification for all SMBIOS structures available.
To query the SMBIOS info from Windows you could use EnumSystemFirmwareEntries, EnumSystemFirmwareTables and GetSystemFirmwareTable.
IIRC, the "unique id" from the CPUID instruction is deprecated from P3 and newer.
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Clang optimization levels
...-loop-accesses -loop-distribute -loop-vectorize -loop-load-elim -alignment-from-assumptions -strip-dead-prototypes -loop-sink -instsimplify -div-rem-pairs -verify -ee-instrument -early-cse -lower-expect
clang adds : -momit-leaf-frame-pointer
clang drops : -mdisable-fp-elim -mrelax-all
-O2 is based...
Using port number in Windows host file
...do what you want with generic OS-level configuration - the browser is what selects the port to choose.
So use bookmarks or something like that.
(Some firewall/routing software might allow outbound port redirection, but that doesn't really sound like an appealing option for this.)
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How to open the default webbrowser using java
...ted() doesn't work (windows 7 and ubuntu). Please try this to open browser from java code:
Windows:
Runtime rt = Runtime.getRuntime();
String url = "http://stackoverflow.com";
rt.exec("rundll32 url.dll,FileProtocolHandler " + url);
Mac
Runtime rt = Runtime.getRuntime();
String url = "http://s...