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What is the difference between single and double quotes in SQL?
...name quote?
You can make MySQL use double-quotes per the ANSI standard:
SET GLOBAL SQL_MODE=ANSI_QUOTES
You can make Microsoft SQL Server use double-quotes per the ANSI standard:
SET QUOTED_IDENTIFIER ON
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Android中Java和JavaScript交互 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...terface;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;
public class MainActivity extends Activity {
private static final String LOGTAG = "MainActivity";
@Suppres...
Useful GCC flags for C
Beyond setting -Wall , and setting -std=XXX , what other really useful, but less known compiler flags are there for use in C?
...
Rails 4: List of available datatypes
...re using a non-postgres database and your application schema_format is not set to use :sql, then your schema.rb file wont be able to dump the table that uses types like :json. The schema will still be dumped for the tables that use default types but you'll see a comment for the table with special ty...
Android: textColor of disabled button in selector not showing?
...
The most easy solution is to set color filter to the background image of and button as I saw here
You can do as follow:
if ('need to set button disable')
button.getBackground().setColorFilter(Color.GRAY, PorterDuff.Mode.MULTIPLY);
else
button.g...
Failed to install Python Cryptography package with PIP and setup.py
...raphy or by downloading the package from their site and running python setup.py , I get the following error:
25 Answers...
Can I change the viewport meta tag in mobile safari on the fly?
...arted:
viewport = document.querySelector("meta[name=viewport]");
viewport.setAttribute('content', 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0');
Just change the parts you need and Mobile Safari will respect the new settings.
Update:
If you don't already have the m...
Perl flags -pe, -pi, -p, -w, -d, -i, -t?
...p Perl security, especially when running code for other
users, such as setuid scripts or web stuff.
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difference between iframe, embed and object elements
...not possible with <object> or <iframe> where you would have to set up some other mechanism instead, such as the JavaScript postMessage API.
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LLVM vs clang on OS X
...as grown to be something other than a traditional virtual machine. It is a set of libraries and tools, as well as a standardized intermediate representation, that can be used to help build compilers and just-in-time compilers. It cannot compile anything other than its own intermediate representation...