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Which is faster: while(1) or while(2)?
...on for each iteration.
First example (returning 1):
.L4:
call x
testl %eax, %eax
jne .L4
movl $0, %eax
addq $32, %rsp
popq %rbp
ret
.seh_endproc
.ident "GCC: (tdm64-2) 4.8.1"
Second example (returning sqrt(7)):
.L4:
call x
xorpd %xmm1,...
Tar archiving that takes input from a list of files
...check out the other answers below. E.g. For sunOS, two alternatives I have tested: tar -cvf file.tar -I list.txt and tar -cvf file.tar $(cat list.txt)
– Nasri Najib
Sep 2 '19 at 8:37
...
How to check if one DateTime is greater than the other in C#
...ent, but when using the accepted answer, it did not fulfill all of my unit tests. The issue for me is when you have a new object, with Start and End dates and you have to set the Start date ( at this stage your End date has the minimum date value of 01/01/0001) - this solution did pass all my unit t...
boost::filesystem指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
//filesystem中最基本的类型
bf::path path("/tmp/test");
//对当前的目录的操作
bf::path old_cpath=bf::current_path(); //取得当前目录
bf::path file_path = path / "file"; //path重载了 / 运算符
//判断文件存在...
Why dict.get(key) instead of dict[key]?
...ntage of returning the default value. But to clear all our queries, we can test on a fairly large list (Note that the test includes looking up all the valid keys only)
def getway(d):
for i in range(100):
s = d.get(i)
def lookup(d):
for i in range(100):
s = d[i]
Now timing...
How do I write LINQ's .Skip(1000).Take(100) in pure SQL?
...ty linear with the @skip! The row_number approach does NOT have this (only tested on indexed order). For lo @Skip less about 20, the new syntax is faster than the row_number approach though.
– Eske Rahn
Jun 24 '18 at 14:23
...
Sending email through Gmail SMTP server with C#
...d, if that doesn't reveal anything, post it. I was just enabling this on a test ASP.NET site I was working on, and it works.
Actually, at some point I had an issue on my code. I didn't spot it until I had a simpler version on a console program and saw it was working (no change on the Gmail side as...
How can I use mySQL replace() to replace strings in multiple records?
...g with sample string:
UPDATE some_table SET some_field = REPLACE("this is test string", 'test', 'sample')
EG with Column/Field Name:
UPDATE some_table SET some_field = REPLACE(columnName, 'test', 'sample')
share
...
How to use Namespaces in Swift?
...ork).
My experience is that Swift therefore is not namespaced in the slightest. In turning one of my apps from Objective-C to Swift, I created an embedded framework because it was so easy and cool to do. Importing the framework, however, imports all the Swift stuff in the framework - so presto, onc...
Getting attributes of a class
...
Try the inspect module. getmembers and the various tests should be helpful.
EDIT:
For example,
class MyClass(object):
a = '12'
b = '34'
def myfunc(self):
return self.a
>>> import inspect
>>> inspect.getmembers(MyClass, lambda a:not(in...