大约有 35,800 项符合查询结果(耗时:0.0488秒) [XML]
How do I break out of a loop in Scala?
...f loops.
Suppose you want to sum numbers until the total is greater than 1000. You try
var sum = 0
for (i <- 0 to 1000) sum += i
except you want to stop when (sum > 1000).
What to do? There are several options.
(1a) Use some construct that includes a conditional that you test.
var sum...
How are cookies passed in the HTTP protocol?
...
302
The server sends the following in its response header to set a cookie field.
Set-Cookie:name=v...
Alter MySQL table to add comments on columns
...
answered Jan 29 '10 at 14:18
RufinusRufinus
23.5k66 gold badges5959 silver badges7878 bronze badges
...
Pip freeze vs. pip list
...ecific format for pip to understand, which is
feedparser==5.1.3
wsgiref==0.1.2
django==1.4.2
...
That is the "requirements format".
Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x).
If you do not specify ==1.4.2, the latest version available would be in...
Test whether string is a valid integer
...
[[ $var =~ ^-?[0-9]+$ ]]
The ^ indicates the beginning of the input pattern
The - is a literal "-"
The ? means "0 or 1 of the preceding (-)"
The + means "1 or more of the preceding ([0-9])"
The $ indicates the end of the input pattern
...
Convert unix time to readable date in pandas dataframe
...
230
These appear to be seconds since epoch.
In [20]: df = DataFrame(data['values'])
In [21]: df.co...
How to make gradient background in android
...
answered Dec 18 '12 at 10:11
Gunnar KarlssonGunnar Karlsson
27.6k1010 gold badges6464 silver badges6969 bronze badges
...
How to inspect the return value of a function in GDB?
...
return 42;
}
int main( int argc, char *v[] ) {
fun();
return 0;
}
You can debug it as such --
(gdb) r
Starting program: /usr/home/hark/a.out
Breakpoint 1, fun () at test.c:2
2 return 42;
(gdb) finish
Run till exit from #0 fun () at test.c:2
main () at test.c:7
7 ...
How do I set a cookie on HttpClient's HttpRequestMessage
...
Todd Menier
30.2k1414 gold badges124124 silver badges146146 bronze badges
answered Sep 11 '12 at 16:57
Darin Dimit...
jQuery How to Get Element's Margin and Padding?
...ry - I can get an elements formatted total padding and margin etc ? i.e. 30px 30px 30px 30px or 30px 5px 15px 30px etc
8 A...
