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Why are Oracle table/column/index names limited to 30 characters?
...tually, I think it's the SQL-92 standard.
A later version of the standard appears to optionally allow for 128 character names, but Oracle doesn't yet support this (or has partial support for it, insofar as it allows 30 characters. Hmmm.)
Search for "F391, Long identifiers" on this page... http:/...
fs: how do I locate a parent folder?
...kes me wonder how universal they are. e.g. I'm trying to write an Electron app in a platform agnostic manner and, while I haven't exhaustively proved it, I suspect this is the safest way. Thanks.
– Andrew Willems
Apr 20 '18 at 23:32
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In MVVM should the ViewModel or Model implement INotifyPropertyChanged?
...t lives in the System.ComponentModel namespace, I have used it in WinForms applications, also INotifyPropertyChanged has been in .Net since 2.0, WPF has only been around since 3.0
– benPearce
Mar 4 '11 at 6:03
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Gzip versus minify
...ebsite. CSS Optimiser is used for minification. The standard Linux archive app that comes with Ubuntu was used for Gzipping.
Original: 28,781 bytes
Minified: 22,242 bytes
Gzipped: 6,969 bytes
Min+Gzip: 5,990 bytes
My personal opinion is to go for Gzipping first, since that obviously makes the bigg...
CodeIgniter: Create new helper?
...est_method($var = '')
{
return $var;
}
}
Save this to application/helpers/ . We shall call it "new_helper.php"
The first line exists to make sure the file cannot be included and ran from outside the CodeIgniter scope. Everything after this is self explanatory.
Using the Helper...
How to insert a line break in a SQL Server VARCHAR/NVARCHAR string
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@Nima: Some applications will use one or the other or both to show a new line, however many applications you may output this text to will require both do appear in succession to signify a new line. I find it safe to use both. You can l...
How to Detect if I'm Compiling Code with a particular Visual Studio version?
...
It appear that this macro doesn't reflect the compiler version used by the project. I.e. if you open a VS2010 project in a newer version without upgrading the project this macro doesn't reflect the compiler being used - only the...
Anything wrong with NOT signing a .NET assembly?
... more point to note is if you want to share this assembly across different application then signing is a must (i.e. GAC).
– rajesh pillai
Sep 1 '09 at 18:16
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关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...动力，可能在大多数的人眼里，php是专为web而生，做wep app是一流的快速好用，并极易简单和容易上手，做起web所需的各项功能可能是分分钟搞定，然后做socket了？可能就觉得不屑一顾了，好像是不务正业，用了自己的短板去做...
How to make return key on iPhone make keyboard disappear?
...Delegate). Use the following code in your delegate to make the keyboard disappear:
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
[textField resignFirstResponder];
}
Should work so far...
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