大约有 38,000 项符合查询结果(耗时:0.0424秒) [XML]
Favorite (Clever) Defensive Programming Best Practices [closed]
...
|
show 8 more comments
75
...
How to get the system uptime in Windows? [closed]
...arious system statistics such as installation date, installed hotfixes and more.
Open a Command Prompt and type the following command:
systeminfo
You can also narrow down the results to just the line you need:
systeminfo | find "System Boot Time:"
3: By using the Uptime Utility
Microsoft ha...
How to determine whether a Pandas Column contains a particular value
...
In [24]: 'a' in set(s)
Out[24]: True
As pointed out by @DSM, it may be more efficient (especially if you're just doing this for one value) to just use in directly on the values:
In [31]: s.values
Out[31]: array(['a', 'b', 'c'], dtype=object)
In [32]: 'a' in s.values
Out[32]: True
...
Best way to get identity of inserted row?
...ted via that statement. Since it's scoped to the specific statement, it's more straightforward than the other functions above. However, it's a little more verbose (you'll need to insert into a table variable/temp table and then query that) and it gives results even in an error scenario where the s...
What is the purpose of Serialization in Java?
...
|
show 1 more comment
58
...
Rename all files in directory from $filename_h to $filename_half?
... ${string/substring/substitution} – "substitute first occurrence". For more info check this cheat sheet (section "strings"): bruxy.regnet.cz/linux/bash_cheatsheet/bash_cheatsheet.pdf
– WindRider
Apr 25 '14 at 9:08
...
How to get primary key column in Oracle?
...
Thanks, Richie. One more question: how to encode 'P' ? I need to execute this with "EXECUTE IMMEDIATE". thnx again.
– Kirill A.
Jan 26 '12 at 10:34
...
Create timestamp variable in bash script
... out the current time whenever I issue echo $timestamp . It proving to be more difficult then I thought. Here are some things I've tried:
...
MySQL Select Query - Get only first 10 characters of a value
...
I feel like this is the more complete answer, since LEFT may not address specifics (yes, like those raised by the OP) dealing with extractions that need to start mid-string.
– d8aninja
Oct 17 '18 at 20:28
...
Should an Enum start with a 0 or a 1?
...
|
show 3 more comments
66
...