大约有 22,000 项符合查询结果（耗时：0.0375秒） [XML]
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]
...
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++
...
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...
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...
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)...
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
|...
Display / print all rows of a tibble (tbl_df)
...
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
...
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 ...
How do I record audio on iPhone with AVAudioRecorder?
... code]);
NSLog(@"Error: %@ [%4.4s])" , [error localizedDescription], (char*)&errorCode);
}
NSLog(@"recording");
}
-(IBAction) stopRecording
{
NSLog(@"stopRecording");
[audioRecorder stop];
NSLog(@"stopped");
}
-(IBAction) playRecording
{
NSLog(@"playRecording");
// Init audio with playb...