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How to annotate MYSQL autoincrement field with JPA annotations
...
Please make sure that id datatype is Long instead of String, if that
will be string then @GeneratedValue annotation will not work and the
sql generating for
@Id @GeneratedValue(strategy=GenerationType.IDENTITY)
private String id;
create table VMS_AUDIT_RECORDS (id **varc...
How to set entire application in portrait mode only?
...or example:
<activity android:name=".SomeActivity"
android:label="@string/app_name"
android:screenOrientation="portrait">
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Rails ActionMailer - format sender and recipient name/email address
... email, you can end up with an invalid From header by simply concatenating strings. Here is a safe way:
require 'mail'
address = Mail::Address.new email # ex: "john@example.com"
address.display_name = name.dup # ex: "John Doe"
# Set the From or Reply-To header to the following:
address.format # r...
Get output parameter value in ADO.NET
...a couple using()'s
using (SqlConnection conn = new SqlConnection(connectionString))
using (SqlCommand cmd = new SqlCommand("sproc", conn))
{
// Create parameter with Direction as Output (and correct name and type)
SqlParameter outputIdParam = new SqlParameter("@ID", SqlDbType.Int)
{
...
Extract substring using regexp in plain bash
I'm trying to extract the time from a string using bash, and I'm having a hard time figuring it out.
4 Answers
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Format / Suppress Scientific Notation from Python Pandas Aggregation Results
...wer I linked in the comments is not very helpful. You can specify your own string converter like so.
In [25]: pd.set_option('display.float_format', lambda x: '%.3f' % x)
In [28]: Series(np.random.randn(3))*1000000000
Out[28]:
0 -757322420.605
1 -1436160588.997
2 -1235116117.064
dtype: floa...
How to list all the files in a commit?
...sses the commit ID output.
The --pretty argument specifies an empty format string to avoid the cruft at the beginning.
The --name-only argument shows only the file names that were affected (Thanks Hank). Use --name-status instead, if you want to see what happened to each file (Deleted, Modified, Add...
Rails select helper - Default selected value, how?
...
if params[:pid] is a string, which if it came from a form, it is, you'll probably need to use
params[:pid].to_i
for the correct item to be selected in the select list
...
Mongoose and multiple database in single node.js project
...r ModelA = conn.model('Model', new mongoose.Schema({
title : { type : String, default : 'model in testA database' }
}));
// stored in 'testB' database
var ModelB = conn2.model('Model', new mongoose.Schema({
title : { type : String, default : 'model in testB database' }
}));
I'm pretty s...
菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...= 0, LPCTSTR lpszNewItem = NULL );
nFlags参数常用取值如下：
MF_STRING 表明添加的是一个不具有弹出属性的菜单项。
MF_POPUP 添加的一个弹出菜单项
MF_SEPARATOR 添加的是一个菜单分隔条
MF_OWNERDRAW 表明对应菜单具有自绘属性
nIDNewItem参...