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What's wrong with nullable columns in composite primary keys?
...s version the "ext" part of the tuple is NOT NULL but defaults to an empty string -- which is semantically (and practically) different from a NULL. A NULL is an unknown, whereas an empty string is a deliberate record of "something not being present". In other words, "empty" and "null" are different ...
URL Encode a string in jQuery for an AJAX request
...w can I either replace the space with a + , or just safely URL Encode the string?
5 Answers
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Getting RAW Soap Data from a Web Reference Client running in ASP.net
... break;
}
}
public void Log(SoapMessage message, string stage)
{
newStream.Position = 0;
string contents = (message is SoapServerMessage) ? "SoapRequest " : "SoapResponse ";
contents += stage + ";";
StreamReader reader = new StreamReade...
Building a minimal plugin architecture in Python
...e too, although you can do a lot with just __import__, os.listdir and some string manipulation.
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android asynctask sending callbacks to ui [duplicate]
...tput) {
Log.d("Response From Asynchronous task:", (String) output);
mbtnPress.setText((String) output);
}
});
asyncTask.execute(new Object[] { "Youe request to aynchronous task class is givi...
How does UTF-8 “variable-width encoding” work?
...
UTF-8 was another system for storing
your string of Unicode code points,
those magic U+ numbers, in memory
using 8 bit bytes. In UTF-8, every
code point from 0-127 is stored in a
single byte. Only code points 128 and
above are stored using 2, 3, in fact,
...
Struct Constructor in C++?
...s.
struct blocknode
{
unsigned int bsize;
bool free;
unsigned char *bptr;
blocknode *next;
blocknode *prev;
blocknode(unsigned int sz, unsigned char *b, bool f = true,
blocknode *p = 0, blocknode *n = 0) :
bsize(sz), free(f), bptr(b), prev(p), ne...
How do I adb pull ALL files of a folder present in SD Card
...ices to make sure your readable, type adb pull sdcard/ sdcard_(the date or extra) <---this file needs to be made in adb directory beforehand. PROFIT!
In other versions type adb pull mnt/sdcard/ sdcard_(the date or extra)
Remember to make file or your either gonna have a mess or it wont work.
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Prevent “overscrolling” of web page
...oll its content within. This works in Safari and in Chrome.
Edit
Why the extra <div>-element as a wrapper could be useful: Florian Feldhaus' solution uses slightly less code and works fine too. However, it can have a little quirk, when it comes to content that exceeds the viewport width. In ...
What is the fastest way to check if a class has a function defined?
...
The responses herein check if a string is the name of an attribute of the object. An extra step (using callable) is needed to check if the attribute is a method.
So it boils down to: what is the fastest way to check if an object obj has an attribute attrib...