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文本导出excel，或者导出excel方式，研究一下。 - 微思想区 - 清泛IT论坛，...
... ... xcel-pdf-csv/172431列表转CSV，文件管理器存储COM，开源库Java：https://blog.51cto.com/AmbitionGarden/7062348Java生成Excel的几种方式
Apache POI：Apache POI是一个流行的用于处理Microsoft Office文档的Java库。它提供了一组API，可以用于创建、读取...
android ndk： 代码可以在C++，c上实现。java可以直接做调用。 - 微思想区 ...
android ndk：
代码可以在C++，c上实现。java可以直接做调用。
Invoke: no method named `…………’ in class java.lang.Boolean - App I...
...最新版即可。
Invoke: no method named `ShowTextDialog’ in class java.lang.Boolean
来自英文社区：https://community.appinventor.mi ... ang-boolean/17544/5
【拍照图片处理】Attempt to invoke virtual method 'boolean android.grap...
...roid.graphics.Bitmap.compress(android.graphics.Bitmap$CompressFormat, int, java.io.OutputStream)' on a null object reference
图片大致的处理流程是：先TaifunImage压缩尺寸，在Base64化，调在线api进行识别。
通过调试发现问题是出现在 图片的Resize/Base64化...
Attempt to invoke virtual method 'boolean android.graphics.Bitmap.comp...
...roid.graphics.Bitmap.compress(android.graphics.Bitmap$CompressFormat, int, java.io.OutputStream)' on a null object reference
原因：调用 TaifunImage 时给定的图片路径为空导致的。
解决：指定有效的图片路径，或者拍照返回的图片路径，或者图像选择器...
Biggest differences of Thrift vs Protocol Buffers?
...ant difference are the languages supported by default.
Protocol Buffers: Java, Android Java, C++, Python, Ruby, C#, Go, Objective-C, Node.js
Thrift: Java, C++, Python, Ruby, C#, Go, Objective-C, JavaScript, Node.js, Erlang, PHP, Perl, Haskell, Smalltalk, OCaml, Delphi, D, Haxe
Both could be exte...
Java 8 Distinct by property
In Java 8 how can I filter a collection using the Stream API by checking the distinctness of a property of each object?
2...
Java: splitting a comma-separated string but ignoring commas in quotes
... -1 to the split method param: line.split(regex, -1). See: docs.oracle.com/javase/6/docs/api/java/lang/…
– Bart Kiers
Apr 23 '14 at 14:55
...
How can we match a^n b^n with Java regex?
...
The answer is, needless to say, YES! You can most certainly write a Java regex pattern to match anbn. It uses a positive lookahead for assertion, and one nested reference for "counting".
Rather than immediately giving out the pattern, this answer will guide readers through the process of deri...
String is immutable. What exactly is the meaning? [duplicate]
... due to having no references.
Look at one more example below
String s1 = "java";
s1.concat(" rules");
System.out.println("s1 refers to "+s1); // Yes, s1 still refers to "java"
What's happening:
The first line is pretty straightforward: create a new String "java" and refer s1 to it.
Next, the ...