大约有 40,000 项符合查询结果(耗时:0.0574秒) [XML]
Surrogate vs. natural/business keys [closed]
...JECT'
and k.task_code = 'BUILD';
Unless anyone seriously thinks the following is a good idea?:
select sum(t.hours)
from timesheets t
where t.dept_id = 34394
and t.status_id = 89
and t.project_id = 1253
and t.task_id = 77;
"But" someone will say, "what happens when the code for MYPROJECT or ...
How to Query an NTP Server using C#?
...uture reference :
public static DateTime GetNetworkTime()
{
//default Windows time server
const string ntpServer = "time.windows.com";
// NTP message size - 16 bytes of the digest (RFC 2030)
var ntpData = new byte[48];
//Setting the Leap Indicator, Version Number and Mode valu...
Mocking member variables of a class using Mockito
...y decissions and all that things. So, at the end of the day, anti-patterns win for a lot.
– amanas
Apr 7 '15 at 15:24
...
Mechanisms for tracking DB schema changes [closed]
...o people would try to create the same N.sql file. Of course, the first one wins and the second one is forced to rename to the next highest number and try again. We didn't have the database versioning on a branch, though.
– rix0rrr
Nov 25 '10 at 13:34
...
Python strptime() and timezones?
..., minute, second). Nothing else. No mention of timezones.
Interestingly, [Win XP SP2, Python 2.6, 2.7] passing your example to time.strptime doesn't work but if you strip off the " %Z" and the " EST" it does work. Also using "UTC" or "GMT" instead of "EST" works. "PST" and "MEZ" don't work. Puzzlin...
What does the slash mean in help() output?
...aracter.
Then his proposal won.
Heh. If that's true, my '/' proposal wins:
def foo(pos_only, /, pos_or_kw, *, kw_only): ...
I think the very relevant document covering this is PEP 570.
Where recap section looks nice.
Recap
The use case will determine which parameters to use in ...
How do I choose between Semaphore and SemaphoreSlim?
...states that the SemaphoreSlim is a lightweight alternative and doesn't use Windows Kernel semaphores. This resource states that the SemaphoreSlim is much faster. In what situations does the SemaphoreSlim make more sense over the Semaphore and vice versa?
...
Loop through files in a directory using PowerShell
How can I change the following code to look at all the .log files in the directory and not just the one file?
4 Answers
...
Why does Python pep-8 strongly recommend spaces over tabs for indentation?
... myself to use spaces too, but editor (at least Eclipse + PyDev) wise tabs wins especially if you enable show invisible characters. And I can easily set tabs to be 4, 8, 6 spaces visually. So in my code at least I value personal preference, and stick to spaces if that is the established convention i...
private final static attribute vs private final attribute
... reason to have an inline declaration initializing the value like the following, as each instance will have its own NUMBER but always with the same value (is immutable and initialized with a literal). This is the same than to have only one final static variable for all instances.
private final int ...
