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How to choose the id generation strategy when using JPA and Hibernate
...quence.
uuid
uses a 128-bit UUID algorithm to generate identifiers of type string that are unique within a network (the IP address is used). The UUID is encoded as a string of 32 hexadecimal digits in length.
guid
uses a database-generated GUID string on MS SQL Server and MySQL.
native
selects ident...
Batch file to delete files older than N days
...amples with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task.
...
How can I merge properties of two JavaScript objects dynamically?
... JoachimLou's comment has received well deserved upvotes and provides that extra information when needed. I think the difference between deep and shallow merging and similar topics are beyond the scope of this discussion and are better suited to other SO questions.
– NanoWizard...
No newline at end of file
...l human-readable text files ending in a newline. At the time, this avoided extra processing when displaying or joining text files, and avoided treating text files differently to files containing other kinds of data (eg raw binary data which isn't human-readable).
Because of this convention, many to...
MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...不同语言版本中按钮的点击次数的统计。
（1） 在String Table中分别添加中英文的IDS_STRING_SAMPLE资源，内容如下表所示。
中文
这个一个中文提示信息。\n点击次数：%d。
英文
This is a prompt message in English.\nClick Ti...
Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?
....name)) # len of column name/header
)) + 1 # adding a little extra space
worksheet.set_column(idx, idx, max_len) # set column width
writer.save()
share
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improve this answer
...
What is the most efficient way of finding all the factors of a number in Python?
...))+1, step) if n % i == 0)))
However, on small numbers (~ < 100), the extra overhead from this alteration may cause the function to take longer.
I ran some tests in order to check the speed. Below is the code used. To produce the different plots, I altered the X = range(1,100,1) accordingly.
...
Why doesn't C have unsigned floats?
... same signed or unsigned -- floating point, not so much. Who would do the extra work to support both signed and unsigned floats given the relatively low marginal utility of such a feature?
– ephemient
Feb 5 '09 at 0:42
...
Data access object (DAO) in Java
...ent an employee:
public class Employee {
private int id;
private String name;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
...
How to change spinner text size and text color?
...>
Now use this file to show your spinner items like:
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.spinner_item,list);
You don't need to set the drop down resource. It will take spinner_item.xml only to show your items in spinner.
...