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Converting integer to string in Python
...tr__() defined. In fact
str(a)
is equivalent to
a.__str__()
The same if you want to convert something to int, float, etc.
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How to find the JVM version from a program?
....getProperty("java.version") returns what you need.
You can also use JMX if you want:
ManagementFactory.getRuntimeMXBean().getVmVersion()
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Is it possible to import a whole directory in sass using @import?
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If you are using Sass in a Rails project, the sass-rails gem, https://github.com/rails/sass-rails, features glob importing.
@import "foo/*" // import all the files in the foo folder
@import "bar/**/*" // import all the...
Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...ng
cd /etc/sysconfig/network-scripts/
cp /etc/sysconfig/network-scripts/ifcfg-eth* /etc/sysconfig/network-scripts/备份
vi ifcfg-bond0
节点1 为172.16.110.100
节点2 为172.16.110.110
vi ifcfg-bond1
节点1 为10.10.120.100
节点2 为10.10.120.110
节点1，节点2一...
What is the most pythonic way to check if an object is a number?
...True
'2' False
This is, of course, contrary to duck typing. If you are more concerned about how an object acts rather than what it is, perform your operations as if you have a number and use exceptions to tell you otherwise.
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Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...dards documents to be sure. For example, ISO C11 states (my emphasis):
If the value of argc is greater than zero, the string pointed to by argv[0] represents the program name; argv[0][0] shall be the null character if the program name is not available from the host environment.
So no, it's onl...
Get ffmpeg information in friendly way
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Now is possible to use -progress - to print friendly info formatted by key=value.
ffmpeg -i video.mp4 .......-s 1920x1080 -progress - -y out.mp4
speed=5.75x
frame=697
fps=167.7
stream_0_0_q=39.0
bitrate=2337.0kbits/s
total...
How to convert current date into string in java?
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FYI, these troublesome classes are now legacy, supplanted by the java.time classes. See Oracle Tutorial.
– Basil Bourque
Aug 18 '17 at 15:46
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MySql Table Insert if not exist otherwise update
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now I defined the datenum as unique, and it's work fine, thanks
– OHLÁLÁ
May 18 '11 at 8:21
1
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Union of dict objects in Python [duplicate]
...t objects in Python, where a (key, value) pair is present in the result iff key is in either dict (unless there are duplicates)?
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