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Test iOS app on device without apple developer program or jailbreak
...d. From Apple's developer documentation:
Launch Your App on Devices Using Free Provisioning (iOS, watchOS)
If you don’t join the Apple Developer Program, you can still build and run your app on your devices using free provisioning. However, the capabilities available to your app, described in Add...
How to get IntPtr from byte[] in C#
...(bytes, 0, unmanagedPointer, bytes.Length);
// Call unmanaged code
Marshal.FreeHGlobal(unmanagedPointer);
Alternatively you could declare a struct with one property and then use Marshal.PtrToStructure, but that would still require allocating unmanaged memory.
Edit: Also, as Tyalis pointed out, yo...
Does pandas iterrows have performance issues?
...h():
ret = []
grouped = table2.groupby('letter', sort=False)
t2info = table2.to_records()
for index, letter, n1 in table1.to_records():
t2 = t2info[grouped.groups[letter].values]
# np.multiply is in general faster than "x * y"
maxrow = np.multiply(t2.number2, ...
When should I use cross apply over inner join?
...ply dbo.myTableFun(O.name) F
where F.schema_id= O.schema_id
Edit:
Note:
Informix 12.10 xC2+ has Lateral Derived Tables and Postgresql (9.3+) has Lateral Subqueries which can be used to a similar effect.
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GestureDetect 扩展：手势检测扩展，识别滑动、点击和长按手势 · App Inventor 2 中文网
...原作者为 AryanGupta。
原始链接：https://community.kodular.io/t/free-gesturedetect-recognize-swipe-up-down-right-left-and-doubleclick/94542
文档翻译和整理：AI2中文网
最后更新：2024年12月9日
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How expensive is the lock statement?
...
locks are much, much easier to get right, even if lock-free code is potentially faster. Interlocked.Add on its own has the same issues as += with no synchronization.
– hangar
Aug 24 '15 at 23:37
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Log.INFO vs. Log.DEBUG [closed]
... a large commercial program and keep confusing myself between what kind of information i want to log with Log.INFO and Log.DEBUG. Are there any standards or rules of thumb on what each type of log message contains?
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How to define different dependencies for different product flavors
...e and would like to use the new build flavor features to have a paid and a free ad based flavor.
5 Answers
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Table header to stay fixed at the top when user scrolls it out of view with jQuery
... than the column data values. Try changing that fiddle to have values like infoooooooo instead of info. I'm thinking some sort of hardcoded width that's set when cloning the table.
– whiterook6
Jun 24 '13 at 20:10
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Best introduction to C++ template metaprogramming? [closed]
...d thought "What the heck, I can just pick a better language and get it for free".
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