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Running V8 Javascript Engine Standalone
...e the apt-get command with whatever package tool you have available. On 64-bit systems you may need to add arch=x64. The console=readline option enables the readline system, to make it feel a bit more like a standard shell.
More complete documentation here:
http://code.google.com/apis/v8/build.htm...
How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
...ermines the available Java Virtual Machines it lists.
I've experimented a bit and I think it simply executes a ls /Library/Java/JavaVirtualMachines and then inspects the ./<version>/Contents/Info.plist of all runtimes it finds there.
It then sorts them descending by the key JVMVersion contai...
Win7以上操作系统清理系统图标缓存脚本 - 脚本技术 - 清泛IT论坛，有思想、有深度
本帖最后由 沧海一粟 于 2015-07-21 13:43 编辑
rem 关闭Windows外壳程序explorer
taskkill /f /im explorer.exe
rem 清理系统图标缓存数据库
attrib -h -s -r "%userprofile%\AppData\Local\IconCache.db"
del /f "%userprofile%\AppData\Local\IconCache.db"
attrib...
How do I execute a program from Python? os.system fails due to spaces in path
...
It is much simpler to use raw string in windows: r"C:\Temp\a b c\Notepad.exe"
– PierreBdR
Oct 15 '08 at 9:11
1
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Generating Random Passwords
...llion strings for each argument set. Generating an 8 character string (~47 bits of entropy) is meaningless if your PRNG only generates 2 billion (31 bits of entropy) different values.
It's secure, since I expect people to use this for passwords or other security tokens.
The first property is achie...
Bash: infinite sleep (infinite blocking)
...dev/null; read <"$HOME/.pause.fifo"
Not using a loop on the read is a bit sloppy, but you can reuse this fifo as often as you like and make the reads terminat using touch "$HOME/.pause.fifo" (if there are more than a single read waiting, all are terminated at once).
Or use the Linux pause() sy...
module unsafe for SAFESEH image C++
... with zlib see this (CTRL + F safeseh) tannerhelland.com/5076/compile-zlib-winapi-wapi-stdcall
– codekiddy
Nov 30 '15 at 22:21
...
Python set to list
...
Your code works with Python 3.2.1 on Win7 x64
a = set(["Blah", "Hello"])
a = list(a)
type(a)
<class 'list'>
share
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improve this answer
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Change column type from string to float in Pandas
... int64
These are small integers, so how about converting to an unsigned 8-bit type to save memory?
>>> s.astype(np.uint8)
0 1
1 2
2 249
dtype: uint8
The conversion worked, but the -7 was wrapped round to become 249 (i.e. 28 - 7)!
Trying to downcast using pd.to_numeric(s, down...
What version of Visual Studio is Python on my computer compiled with?
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Hi. python 3.7 uses MSC v.1912 64 bit (AMD64). what version is this?? can you please update!
– Khalil Al Hooti
Nov 18 '18 at 0:27
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