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Count character occurrences in a string in C++
...but I'd suggest you to use this solution instead. As you see you can use a function to encapsulate the code for you so you won't have to write out the for loop everytime, but can just use count_underscores("my_string_") in the rest of your code. Using advanced C++ algorithms is certainly possible he...
data.table vs dplyr: can one do something well the other can't or does poorly?
...ansparency. Updating a data.table object by reference, especially within a function may not be always desirable. But this is an incredibly useful feature: see this and this posts for interesting cases. And we want to keep it.
Therefore we are working towards exporting shallow() function in data.tab...
Shell one liner to prepend to a file
...t just didn't work at all, so it was furiously downvoted for a time. Such fun.
The solution exploits the exact implementation of file descriptors on your system and, because implementation varies significantly between nixes, it's success is entirely system dependent, definitively non-portable, and...
How to run a PowerShell script without displaying a window?
...so do this with VBScript: http://blog.sapien.com/index.php/2006/12/26/more-fun-with-scheduled-powershell/
Schedule Hidden PowerShell Tasks (Internet Archive)
More fun with scheduled PowerShell (Internet Archive)
(Via this forum thread.)
...
App Inventor 2 软件著作权（软著）申请指南 · App Inventor 2 中文网
...经验的，建议找人代理一下，细节还是很多很繁琐的。
fun123.cn 提供专业的 AppInventor 源码软著代申请服务，承诺不下证退全款。
5、注意事项
不要有 Logo——有概率会要求提供证明材料，PS掉就行。
不要有...
How can I change the EditText text without triggering the Text Watcher?
...you re-request the focus. It would be a good idea to put that in a utility function:
void updateText(EditText editText, String text) {
boolean focussed = editText.hasFocus();
if (focussed) {
editText.clearFocus();
}
editText.setText(text);
if (focussed) {
editTe...
How to run a method every X seconds
...
This really depends on how long apart you need to run the function.
If it is => 10 minutes → I would go with Alarm Manager.
// Some time when you want to run
Date when = new Date(System.currentTimeMillis());
try{
Intent someIntent = new Intent(someContext,MyReceiver.c...
MLKitCustomLabeler / MLKitCustomObjectDetector 拓展：用自己的 TFLite 模型 · App Inventor 2 中文网
...所以中文模型直接就输出中文。
.aix 拓展下载：
cn.fun123.MLKit.CustomLabeler.aix
|
cn.fun123.MLKit.CustomObjectDetector.aix
模型从哪来
需要 TFLite 模型，且带元数据（含标签）。最省事的两条路：
Google Teachable Machi...
Why can I use a function before it's defined in JavaScript?
...
The function declaration is magic and causes its identifier to be bound before anything in its code-block* is executed.
This differs from an assignment with a function expression, which is evaluated in normal top-down order.
If...
Insert a string at a specific index
...w string with the spliced substring.
*/
String.prototype.splice = function(start, delCount, newSubStr) {
return this.slice(0, start) + newSubStr + this.slice(start + Math.abs(delCount));
};
}
Example
String.prototype.splice = function(idx, rem, str) {
return this.sli...