大约有 7,550 项符合查询结果（耗时：0.0337秒） [XML]
How to Update Multiple Array Elements in mongodb
...
Can we not do this without using Javascript? I want to perform this update directly from a mongo shell without using Javascript API.
– Meliodas
Mar 12 '17 at 5:28
...
Android: textColor of disabled button in selector not showing?
...l
The filename will be used as the resource ID.
resource reference:
In Java: R.color.filename
In XML: @[package:]color/filename
syntax:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:color=...
Is inline assembly language slower than native C++ code?
...uage (C++ and C in this case). It's not true. Is C code always faster than Java code? No because there is another variable: programmer. The way you write code and knowledge of architecture details greatly influence performance (as you saw in this case).
You can always produce an example where handm...
Why do we need tuples in Python (or any immutable data type)?
...tantial optimization; this is presumably why strings are also immutable in Java, developed quite separately but about the same time as Python, and just about everything is immutable in truly-functional languages.
in Python in particular, only immutables can be hashable (and, therefore, members of se...
How do I check if a type is a subtype OR the type of an object?
...
There's no way of doing this in method name like Java? ``` void <? extends Base> saveObject(? objectToSave)```
– Oliver Dixon
Jun 26 '16 at 13:37
...
How to find the lowest common ancestor of two nodes in any binary tree?
...de returns 8. but 20 is not present in binary tree
– javaMan
Nov 20 '11 at 13:42
3
...
Use C++ with Cocoa Instead of Objective-C?
...d the Cocoa APIs.
ⁱ For a while Apple made the Cocoa API available to Java, but the bridge required extensive hand-tuning and was unable to handle the more advanced technologies such as Key-Value Bindings described above. Currently dynamically typed, runtime-bound languages like Python, Ruby, e...
What are the benefits of using C# vs F# or F# vs C#? [closed]
... "None", then you need to check if it is "Some(null)".
F# is like the old Java clone J#, just a bastardized language just to attract attention. Some people will love it, a few of those will even use it, but in the end it is still a 20-year-old language tacked onto the CLR.
...
Returning a C string from a function
... flavour is inherently understood by the language itself. Other languages (Java, Pascal, etc.) use different methodologies to understand "my string".
If you ever use the Windows API (which is in C++), you'll see quite regularly function parameters like: "LPCSTR lpszName". The 'sz' part represents t...
Logback to log different messages to two files
...
Not the answer you're looking for? Browse other questions tagged java logging logback slf4j or ask your own question.