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How can I install a local gem?
...
I download a gem such as rubygems in zip format. So there is no .gem file here. How do I install this from local ? Thank you.
– Erran Morad
Jan 10 '15 at 0:15
...
What is the most efficient way to loop through dataframes with pandas? [duplicate]
...r[1], ir[2]))
B.append(time.time()-A)
C = []
A = time.time()
for r in zip(t['a'], t['b']):
C.append((r[0], r[1]))
B.append(time.time()-A)
print B
Result:
[0.5639059543609619, 0.017839908599853516, 0.005645036697387695]
This is probably not the best way to measure the time consumption ...
Python loop that also accesses previous and next values
...n probably solve your problem.
from itertools import tee, islice, chain, izip
def previous_and_next(some_iterable):
prevs, items, nexts = tee(some_iterable, 3)
prevs = chain([None], prevs)
nexts = chain(islice(nexts, 1, None), [None])
return izip(prevs, items, nexts)
Then use it ...
using lodash .groupBy. how to add your own keys for grouped output?
...")
.pairs()
.map(function(currentItem) {
return _.object(_.zip(["color", "users"], currentItem));
})
.value();
console.log(result);
Online Demo
Note: Lodash 4.0 onwards, the .pairs function has been renamed to _.toPairs()
...
How to change a django QueryDict to Python Dict?
... the following:
# request = <QueryDict: {u'key': [u'123ABC']}>
dict(zip(request.GET.keys(), request.GET.values()))
{u'key': u"123ABC" }
# Only work for single item lists
# request = <QueryDict: {u'key': [u'123ABC',U 'CDEF']}>
dict(zip(request.GET.keys(), request.GET.values()))
{u'key':...
Creating runnable JAR with Gradle
...a startup script that pulls it all together into a program you can run
distZip and distTar tasks that create archives containing a complete application distribution (startup scripts and JARs)
A third approach is to create a so-called "fat JAR" which is an executable JAR that includes not only your...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...vice rsyslog start
如果运行Rsyslog时出现问题，那么可以通过激活调试模式来查找原因：
shell> cat /etc/sysconfig/rsyslog
# Options for rsyslogd
# Syslogd options are deprecated since rsyslog v3.
# If you want to use them, switch to compatibility mode 2 by "-c 2"
# ...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...vice rsyslog start
如果运行Rsyslog时出现问题，那么可以通过激活调试模式来查找原因：
shell> cat /etc/sysconfig/rsyslog
# Options for rsyslogd
# Syslogd options are deprecated since rsyslog v3.
# If you want to use them, switch to compatibility mode 2 by "-c 2"
# ...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...vice rsyslog start
如果运行Rsyslog时出现问题，那么可以通过激活调试模式来查找原因：
shell> cat /etc/sysconfig/rsyslog
# Options for rsyslogd
# Syslogd options are deprecated since rsyslog v3.
# If you want to use them, switch to compatibility mode 2 by "-c 2"
# ...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...vice rsyslog start
如果运行Rsyslog时出现问题，那么可以通过激活调试模式来查找原因：
shell> cat /etc/sysconfig/rsyslog
# Options for rsyslogd
# Syslogd options are deprecated since rsyslog v3.
# If you want to use them, switch to compatibility mode 2 by "-c 2"
# ...