大约有 37,000 项符合查询结果（耗时：0.0459秒） [XML]
Remove the first character of a string
... |
edited Jul 8 '18 at 19:00
Bjamse
14655 silver badges1414 bronze badges
answered Feb 9 '11 at 13:34
...
Python/postgres/psycopg2: getting ID of row just inserted
...
208
cursor.execute("INSERT INTO .... RETURNING id")
id_of_new_row = cursor.fetchone()[0]
And plea...
Is there a faster/shorter way to initialize variables in a Rust struct?
...uct by giving only the non-default values:
let p = cParams { iInsertMax: 10, ..Default::default() };
With some minor changes to your data structure, you can take advantage of an automatically derived default implementation. If you use #[derive(Default)] on a data structure, the compiler will auto...
How to determine the number of days in a month in SQL Server?
... |
edited Feb 5 '15 at 22:08
answered Mar 27 '09 at 19:00
M...
Is there an AddRange equivalent for a HashSet in C#
... |
edited Aug 9 '18 at 0:08
Neuron
3,54333 gold badges2323 silver badges4040 bronze badges
answered M...
Render a variable as HTML in EJS
...
Akash Kumar Verma
2,10322 gold badges77 silver badges2222 bronze badges
answered Apr 26 '12 at 9:09
Jakub ObozaJakub Oboza...
How do you delete an ActiveRecord object?
...like
user.destroy
User.find(15).destroy
User.destroy(15)
User.where(age: 20).destroy_all
User.destroy_all(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destroy and :after_destroy callbacks or any dependent association options.
User.delete_all(condition: ...
Programmatically get the cache line size?
...el), you can get this information out of /sys:
/sys/devices/system/cpu/cpu0/cache/
This directory has a subdirectory for each level of cache. Each of those directories contains the following files:
coherency_line_size
level
number_of_sets
physical_line_partition
shared_cpu_list
shared_cpu_map
s...
How to subtract 2 hours from user's local time?
...
answered Feb 9 '11 at 9:40
BrunoLMBrunoLM
84.4k7373 gold badges266266 silver badges420420 bronze badges
...
What is .sln.docstates file created by Visual Studio Productivity Power Tools?
Visual Studio Productivity Power Tools Version 10.0.20427.1, updated 10 May 2011, is creating a .sln.docstates file.
1 Answ...