大约有 40,000 项符合查询结果(耗时:0.0323秒) [XML]
what exactly is device pixel ratio?
...l pixels. Say image is 300px, logical/css px is 300 too but physical px is 600 then setting image width would mean image got stretched.. i also heard that sometimes images show smaller on high dpi , why?
– Muhammad Umer
Jun 9 '15 at 22:31
...
Regular expression to search for Gadaffi
I'm trying to search for the word Gadaffi. What's the best regular expression to search for this?
15 Answers
...
Printing 1 to 1000 without loop or conditionals
...585\n586\n587\n588\n589\n590\n591\n592\n593\n594\n595\n596\n597\n598\n599\n600\n601\n602\n603\n604\n605\n606\n607\n608\n609\n610\n611\n612\n613\n614\n615\n616\n617\n618\n619\n620\n621\n622\n623\n624\n625\n626\n627\n628\n629\n630\n631\n632\n633\n634\n635\n636\n637\n638\n639\n640\n641\n642\n643\n644\n...
How can I reverse a NSArray in Objective-C?
...fastest method:
NSArray *anArray = @[@"aa", @"ab", @"ac", @"ad", @"ae", @"af", @"ag",
@"ah", @"ai", @"aj", @"ak", @"al", @"am", @"an", @"ao", @"ap", @"aq", @"ar", @"as", @"at",
@"au", @"av", @"aw", @"ax", @"ay", @"az", @"ba", @"bb", @"bc", @"bd", @"bf", @"bg", @"bh",
@"bi", ...
How to make a element expand or contract to its parent container?
... Properties I set the width of the document to 800px and and the height to 600px (you can choose other sizes). Then I fit the SVG into this document.
Then I save this file as a new SVG file and get the path data from this file.
Now in HTML the code that does the magic is as follows:
<div id="...
Windows下 C++网络延时检测 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ile == NULL || pIcmpCloseHandle == NULL || pIcmpSendEcho == NULL)
{
//AfxMessageBox("Error: Error loading ICMP.DLL");
FreeLibrary((HMODULE)hndlIcmp);
return;
}
bValid = TRUE;
}
CPing::~CPing()
{
FreeLibrary((HMODULE)hndlIcmp);
}
int CPing::Ping(char* strHost)
{
u_char ...
What optimizations can GHC be expected to perform reliably?
...optimization) = 79
*** Simplifier:
Result size of Simplifier iteration=1 = 87
Result size of Simplifier iteration=2 = 93
Result size of Simplifier iteration=3 = 83
Result size of Simplifier = 83
*** Specialise:
Result size of Specialise = 83
*** Float out(FOS {Lam = Just 0, Consts = True, PAPs = Fal...
What is :: (double colon) in Python when subscripting sequences?
..., 71, 72, 73, 74, 75, 76, 77, 78, 79],
[80, 81, 82, 83, 84, 85, 86, 87, 88, 89],
[90, 91, 92, 93, 94, 95, 96, 97, 98, 99]])
Say for some reason, your boss wants you to select the following elements:
"But How???"... Read on! (We can do this in a 2-step approach)
Step 1 - Obtain subset...
Regular expression that matches valid IPv6 addresses
...import socket
def check_ipv6(n):
try:
socket.inet_pton(socket.AF_INET6, n)
return True
except socket.error:
return False
print check_ipv6('::1') # True
print check_ipv6('foo') # False
print check_ipv6(5) # TypeError exception
print check_ipv6(None) # TypeError ...
How to detect when facebook's FB.init is complete
The old JS SDK had a function called FB.ensureInit. The new SDK does not seem to have such function... how can I ensure that I do not make api calls until it is fully initiated?
...
