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Why is the order in dictionaries and sets arbitrary?
...ing randomness. Python doesn't: its most
important hash functions (for strings and ints) are very regular in common
cases:
>>> map(hash, (0, 1, 2, 3))
[0, 1, 2, 3]
>>> map(hash, ("namea", "nameb", "namec", "named"))
[-1658398457, -1658398460, -1658398459, -1658398462]
...
wait() or sleep() function in jquery?
...
There is an function, but it's extra:
http://docs.jquery.com/Cookbook/wait
This little snippet allows you to wait:
$.fn.wait = function(time, type) {
time = time || 1000;
type = type || "fx";
return this.queue(type, function() {
var s...
Determine the path of the executing BASH script [duplicate]
...
Your second line has an extra double-quote character.
– Eric Seppanen
Jun 29 '10 at 18:44
add a comment
|...
Can I set a breakpoint on 'memory access' in GDB?
...
Assuming the first answer is referring to the C-like syntax (char *)(0x135700 +0xec1a04f) then the answer to do rwatch *0x135700+0xec1a04f is incorrect. The correct syntax is rwatch *(0x135700+0xec1a04f).
The lack of ()s there caused me a great deal of pain trying to use watchpoints m...
Determining 32 vs 64 bit in C++
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static_assert(sizeof(void*) * CHAR_BIT == 32) is more expressive and technically correct (although I don't know any architecture where bytes have different amount of bits than 8)
– Xeverous
Mar 4 '19 at 14:27
...
Search an Oracle database for tables with specific column names?
...'CLOB',null,'NUMBER',
decode(data_precision,null,to_char(data_length),
data_precision||','||data_scale
), data_length
) || ')' data_type
from all_tab_columns
where column_name like ('%' || uppe...
Display / print all rows of a tibble (tbl_df)
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print (with a tibble) also has the width = and n_extra = options to control how many columns are printed, either directly or indirectly.
– Zhe Zhang
May 17 '17 at 16:57
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How to implement one-to-one, one-to-many and many-to-many relationships while designing tables?
...or example:
CREATE TABLE Gov(
GID number(6) PRIMARY KEY,
Name varchar2(25),
Address varchar2(30),
TermBegin date,
TermEnd date
);
CREATE TABLE State(
SID number(3) PRIMARY KEY,
StateName varchar2(15),
Population number(10),
SGID Number(4) REFERENCES Gov(GID)...
How can I hide an HTML table row so that it takes up no space?
...w still contribute to the widths of the columns. I will sometimes make an extra row at the bottom of a table with just some spacers that make it so certain columns can't be less than a certain width, then hide the row using this method. (I know you're supposed to be able to do this with other css ...
Truncate (not round) decimal places in SQL Server
I'm trying to determine the best way to truncate or drop extra decimal places in SQL without rounding. For example:
18 Ans...