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Reset auto increment counter in postgres
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To set the sequence counter:
setval('product_id_seq', 1453);
If you don't know the sequence name use the pg_get_serial_sequence function:
select pg_get_serial_sequence('product', 'id');
pg_get_serial_sequence
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How to iterate over a JSONObject?
...;
public static void printJsonObject(JSONObject jsonObj) {
jsonObj.keySet().forEach(keyStr ->
{
Object keyvalue = jsonObj.get(keyStr);
System.out.println("key: "+ keyStr + " value: " + keyvalue);
//for nested objects iteration if required
//if (keyvalue i...
How to make completely transparent navigation bar in iOS 7
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From this answer
[self.navigationController.navigationBar setBackgroundImage:[UIImage new]
forBarMetrics:UIBarMetricsDefault];
self.navigationController.navigationBar.shadowImage = [UIImage new];
self.navigationController.navigationBar.translucent = YES;
self.na...
App Inventor 2 进制转换与位运算教程 - 十六进制、二进制、补码、字节操作...
...navbar .nav-link .mdi, .navbar .dropdown-item .mdi { margin-right: 6px; opacity: .7; } 创建 Apps 文档 文档首页 内置块参考文档 组件参考文档 拓展参考文档 概念参考文档 IoT 参考文档 技术和其他指南...
OfflineSpeech 拓展：离线语音识别 · App Inventor 2 中文网
...navbar .nav-link .mdi, .navbar .dropdown-item .mdi { margin-right: 6px; opacity: .7; } 创建 Apps 文档 文档首页 内置块参考文档 组件参考文档 拓展参考文档 概念参考文档 IoT 参考文档 技术和其他指南...
Adding a Method to an Existing Object Instance
I've read that it is possible to add a method to an existing object (i.e., not in the class definition) in Python.
16 Answ...
Extract source code from .jar file
...en the Java files, it shows all the lines as commented lines. Is there any setting to fix that?
– Anand
Jul 23 at 10:39
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How to run a JAR file
...e jar file.
java -jar Predit.jar -classpath your.package.name.Test
This sets the which main-class to run in the jar file.
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How do I get a reference to the app delegate in Swift?
... reference in your class?
Call AppDelegate Method
appDelegate().setRoot()
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ASP.NET MVC ActionLink and post method
...jax.ActionLink(), that allows you to specify a HTTP Method which you could set to "POST".
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