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Why use non-member begin and end functions in C++11?
...sn't a use for it. Pointers are pointers, arrays are arrays. Arrays can be converted to a pointer to their first element implicitly, but the is still just a regular old pointer, with no distinction with others. Of course you can't get the "end" of a pointer, case closed.
– GMan...
Why is String.chars() a stream of ints in Java 8?
... it rarely used at all. However it would be good to have a built-in way to convert back IntStream to the String. It can be done with .reduce(StringBuilder::new, (sb, c) -> sb.append((char)c), StringBuilder::append).toString(), but it's really long.
– Tagir Valeev
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Get column index from column name in python pandas
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Or when using libraries which want the DF converted to a numpy array and indices of columns with particular features. For example CatBoost wants a list of indices of categorical features.
– Tom Walker
Oct 13 '17 at 5:35
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How do I drop a foreign key in SQL Server?
...ck of existence of the constraint then drop it.
if exists (select 1 from sys.objects where name = 'Company_CountryID_FK' and type='F')
begin
alter table company drop constraint Company_CountryID_FK
end
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Locate Git installation folder on Mac OS X
I'm just curious, Where Git get installed (via DMG) on Mac OS X file system?
11 Answers
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How do you calculate program run time in python? [duplicate]
...he execution of an entire script, you can run it under time on a unix-like system.
kotai:~ chmullig$ cat sleep.py
import time
print "presleep"
time.sleep(10)
print "post sleep"
kotai:~ chmullig$ python sleep.py
presleep
post sleep
kotai:~ chmullig$ time python sleep.py
presleep
post sleep
real...
find first sequence item that matches a criterion [duplicate]
...his affect readability? E.g. first non-path arugment: next((arg for arg in sys.argv if not os.path.exists(arg)), None) - not very friendly.
– Tomasz Gandor
Mar 18 '16 at 11:38
4
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How do I write a Python dictionary to a csv file? [duplicate]
...Pro tip: When developing code like this, set the writer to w = csv.writer(sys.stderr) so you can more easily see what is being generated. When the logic is perfected, switch back to w = csv.writer(f).
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Allowing specific values for an Argparse argument [duplicate]
... help='Special testing value')
args = parser.parse_args(sys.argv[1:])
See the docs for more details.
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关于Rsyslogd 的一些配置 (高性能、高可用 rsyslogd) - C/C++ - 清泛网 - ...
关于Rsyslogd 的一些配置 (高性能、高可用 rsyslogd)high_performance_rsyslogd最近公司的日志传输服务器因网间带宽被调整后出现了日志堵塞的情况，更为严重的是公司大量的业务日志也是通过 PHP 的 syslog接口传输的...最近公司的日志传...