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Detecting touch screen devices with Javascript
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var isTouchDevice = 'ontouchstart' in document.documentElement;
Note: Just because a device supports touch events doesn't necessarily mean that it is exclusively a touch screen device. Many devices (such as my Asus Zenbook) support both click and touc...
How do I get the current username in .NET using C#?
...ndows operating system.
AND
displays the user name of the person who started the current thread
If you test Environment.UserName using RunAs, it will give you the RunAs user account name, not the user originally logged on to Windows.
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Create a folder inside documents folder in iOS apps
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I don't like "[paths objectAtIndex:0]" because if Apple adds a new folder starting with "A", "B" oder "C", the "Documents"-folder isn't the first folder in the directory.
Better:
NSString *dataPath = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents/MyFolder"];
if (![[NSFileManager de...
ArrayIndexOutOfBoundsException when using the ArrayList's iterator
...tion: -1
You just tried to get element number -1 from an array. Counting starts at zero.
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How to design a product table for many kinds of product where each product has many parameters
...ould put the power_consumption attribute on the tv_type_table. But then we start to carry Home theater systems which also have a power_consumption property. OK its just one other product so I'll add this field to the stereo_type_table as well since that is probably easiest at this point. But over ti...
django syncdb and an updated model
...s decided to go with Django Evolution instead.
I think it's easier to get started with than South, and it worked perfectly the first time I typed ./manage.py evolve --hint --execute, so I'm happy with it.
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Pass a local file in to URL in Java
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No. An URL is just a special case of an URI. A file URI starts with "file://" and then lists the host (generally omitted), followed by "/" and the path "foo/bar" (generally meant to be read as an absolute path). Thus "file:///foo/var". An URI that looks like "file:/foo/bar" is inc...
#define macro for debug printing in C?
...io.h>
void dbg_printf(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
}
You can also use this technique in C99, of course, but the __VA_ARGS__ technique is neater because it uses regular function notation, not the double-par...
Duplicate AssemblyVersion Attribute
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Starting from Visual Studio 2017 another solution to keep using the AssemblyInfo.cs file is to turn off automatic assembly info generation like this:
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<Ge...
Android 1.6: “android.view.WindowManager$BadTokenException: Unable to add window — token null is not
...alog = new Dialog(this);
"this" is usually your Activity from which you start the dialog.
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