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Hour from DateTime? in 24 hours format
...in 24 hours format.
For example:
If the hour is 2:20:23 p.m. i want to convert it to 14:20 and that's it.
5 Answers
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Hidden Features of C#? [closed]
...'ve always wondered why he does that because I feel it's more "natural" to convert to lowercase first. After reading the book now I know why.
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answered Aug 15 '08 at 11:0...
如何查看Oracle用户的SQL执行历史记录？ - 数据库(内核) - 清泛网 - 专注C/...
...privs; 授予用户和其他角色的角色
select * from dba_sys_privs; 授予用户和其他角色的系统权限
select * from dba_tab_privs; 数据库中对象的所有授权
select * from user_role_privs; 查看当前用户的角色
清泛网注...
How to sum all the values in a dictionary?
...alues of the dictionary's keys, a utility function can be helpful:
import sys
def itervalues(d):
return iter(getattr(d, ('itervalues', 'values')[sys.version_info[0]>2])())
sum(itervalues(d))
This is essentially what Benjamin Peterson's six module does.
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What's the difference between a Python module and a Python package?
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@Jacquot sure, see The import system in the reference documentation: It’s important to keep in mind that all packages are modules.
– Martijn Pieters♦
Apr 23 '18 at 21:42
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Async/await vs BackgroundWorker
...e DoWork, RunWorkerCompleted, and ProgressChanged event handlers.
If you "converted" that to async/await, you'd do something like:
IProgress<int> progress = new Progress<int>();
progress.ProgressChanged += ( s, e ) =>
{
// TODO: do something with e.Prog...
How to check Django version
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For Python:
import sys
sys.version
For Django (as mentioned by others here):
import django
django.get_version()
The potential problem with simply checking the version, is that versions get upgraded and so the code can go out of date. You w...
Parsing JSON Object in Java [duplicate]
... will simply return the default value if it is not present and even try to convert value to int if it is of string type and vice-versa so Simply No null or NumberFormat exceptions at all in case of missing key or value
From docs
Get an optional string associated with a key. It returns the
de...
C++ SFINAE examples?
... No = !Yes };
};
When IsClassT<int>::Yes is evaluated, 0 cannot be converted to int int::* because int is not a class, so it can't have a member pointer. If SFINAE didn't exist, then you would get a compiler error, something like '0 cannot be converted to member pointer for non-class type in...
How do I get an apk file from an Android device?
...e from an android device? Or how do I transfer the apk file from device to system?
24 Answers
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