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Why prefer two's complement over sign-and-magnitude for signed numbers?
...be added. Since you want the most basic operations (addition, subtraction, etc) to be as fast as possible, you need to store numbers in a way that lets you use the simplest algorithms possible.
Additionally, in the "intuitive" storage method, there are two zeroes:
0000 "zero"
1000 "negative zero...
What are the differences between the BLOB and TEXT datatypes in MySQL?
...our version of mysql use TEXT for large text posts such as blog body posts etc. BLOB shouldn't be used for storing very long URL addresses or large amounts of text. It's normally used to store images or other binary based objects. Personally I never use BLOB or TEXT and store large amounts of data i...
Hibernate Annotations - Which is better, field or property access?
...an use to modify the document - a set of buttons, tools, keyboard commands etc. However, when you choose to persist (Save) that document, it saves the internal state, not the set of keypresses and mouse clicks used to generate it.
Saving the internal state of the object DOES NOT break encapsulatio...
What is time_t ultimately a typedef to?
...%d\n", (int)time_t);
Then just read it back the same way (fread, fscanf, etc. into an int), and you have your epoch offset time. A similar workaround exists in .Net. I pass 64-bit epoch numbers between Win and Linux systems with no problem (over a communications channel). That brings up byte-order...
How to Define Callbacks in Android?
...ge();
<set data to be passed to callback - eg message.obj, message.arg1 etc - here>
Callback callback = new Callback() {
public boolean handleMessage(Message msg) {
<code to be executed during callback>
}
};
Handler handler = new Handler(callback);
handler.sendMessage(m...
Django: How to manage development and production settings?
...mpletely different location (e.g. on a production server, storing them in /etc/). This allows for separating configuration from application files. You may or may not want that, it depends on how your app is structured.
shar...
Split string using a newline delimiter with Python
... to be on the safer side use .splitlines, what if the strings have spaces, etc.
– Ashwini Chaudhary
Feb 26 '14 at 13:33
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Difference between Visual Basic 6.0 and VBA
...iven all the other statements to the contrary on this forum, on Wikipedia, etc., it makes me wonder who is right, and why there is disagreement! Lomax also wrote (p. 3), "VBA is the same language whether you are using it to create a VB application or to automate some task in Word or Excel." Also, "V...
PostgreSQL disable more output
...does have the advantage that you don't have to remember psql option names, etc.
psql ... | cat
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Properly escape a double quote in CSV
...("), backslash (\) and NUL (the NULL byte).
Use fputcsv() to write, and fgetcsv() to read, which will take care of all.
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