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Disable ActiveRecord for Rails 4
...n without a database:
rails new myApp --skip-active-record
Notice the extra hyphen '-' as opposed to previous versions of Rails.
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What is the difference between a User Control Library and a Custom Control Library?
... control is that if you can get something done with a user control and the extra control element in the logical tree doesn't bother you, use a user control as they are so much easier to create and maintain. Use a custom control only if you have a reason not to use a user control.
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Why does “_” (underscore) match “-” (hyphen)?
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I had a similar issue with space and hyphens while matching strings with exact match:
SELECT id FROM location WHERE name = 'IND - HQ';
The above query didn't return any records in MySQL. I had to escape the spaces and hyphens and use LIKE instead of exact match with equals (=) as f...
How do I read all classes from a Java package in the classpath?
... are annotated with XmlRootElement:
private List<Class> findMyTypes(String basePackage) throws IOException, ClassNotFoundException
{
ResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver();
MetadataReaderFactory metadataReaderFactory = new CachingMe...
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...
How do I find which program is using port 80 in Windows? [duplicate]
...t-Process | ForEach-Object { $proc.Add($_.Id, $_) };
netstat -aon | Select-String "\s*([^\s]+)\s+([^\s]+):([^\s]+)\s+([^\s]+):([^\s]+)\s+([^\s]+)?\s+([^\s]+)" | ForEach-Object {
$g = $_.Matches[0].Groups;
New-Object PSObject |
Add-Member @{ Protocol = $g[1].Value } -PassTh...
Can attributes be added dynamically in C#?
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Why do you need to? Attributes give extra information for reflection, but if you externally know which properties you want you don't need them.
You could store meta data externally relatively easily in a database or resource file.
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“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?
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It seems like there may be a issue to dump numpy.int64 into json string in Python 3 and the python team already have a conversation about it. More details can be found here.
There is a workaround provided by Serhiy Storchaka. It works very well so I paste it here:
def convert(o):
if ...
What is the purpose of double curly braces in React's JSX syntax?
...{rawMarkup}? Is it because the object {__html: rawMarkup} is mutable and a string isn't?
– Brian Kung
Mar 1 '15 at 21:02
2
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appending array to FormData and send via AJAX
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You have several options:
Convert it to a JSON string, then parse it in PHP (recommended)
JS
var json_arr = JSON.stringify(arr);
PHP
$arr = json_decode($_POST['arr']);
Or use @Curios's method
Sending an array via FormData.
Not recommended: Serialize the data with, the...