大约有 15,900 项符合查询结果（耗时：0.0105秒） [XML]
Which cryptographic hash function should I choose?
...? It is possible for a third party to generate 2 messages, one of which is EVIL and another of which is GOOD that both hash to the same value. (Collision attack)
Nonetheless, the current RSA recommendation is not to use MD5 if you need pre-image resistance. People tend to err on the side of caution...
What is more efficient? Using pow to square or just multiply it with itself?
...
I tested the performance difference between x*x*... vs pow(x,i) for small i using this code:
#include <cstdlib>
#include <cmath>
#include <boost/date_time/posix_time/posix_time.hpp>
inline boost::posix_time:...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
... "http(s)?://(.+\.)?(othersite\.com|mywebsite\.com)(:\d{1,5})?$" CORS=$0
Testing After deploying:
The following curl response should have the "Access-Control-Allow-Origin" header after the change.
curl -X GET -H "Origin: http://examplesite1.com" --verbose http://examplesite2.com/query
...
Best way to compare two complex objects
... a huge cost. You're generating a data stream, appending strings, and then testing string equality. Orders of magnitude, just in that. Not to mention serialization is going to be using reflection by default.
– Jerome Haltom
May 19 '17 at 15:06
...
Reconnection of Client when server reboots in WebSocket
...Listener('close', socketCloseListener);
};
socketCloseListener();
// for testing
setTimeout(()=>{
socket.close();
},5000);
Plus https://www.npmjs.com/package/back is already good enough :)
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How to provide different Android app icons for different gradle buildTypes?
...ifest>
build.gradle
android {
...
productFlavors{
Test{
versionName "$defaultConfig.versionName" + ".test"
resValue "string", "app_name", "App-Test"
manifestPlaceholders = [
appIcon: "@mipmap/ic_launcher_test",
...
How do I break out of a loop in Scala?
...ral options.
(1a) Use some construct that includes a conditional that you test.
var sum = 0
(0 to 1000).iterator.takeWhile(_ => sum < 1000).foreach(i => sum+=i)
(warning--this depends on details of how the takeWhile test and the foreach are interleaved during evaluation, and probably sh...
Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
...m the structured programming era, where early returns were also considered evil. Moving nested loops into a function trades one "evil" for another, and creates a function that has no real reason to exist (outside of "it allowed me to avoid using a goto!"). It's true that goto is the single most powe...
In Ruby, how do I skip a loop in a .each loop, similar to 'continue' [duplicate]
... n, instead of the return foo.
– ANeves thinks SE is evil
Sep 26 '13 at 12:04
1
@ANeves thanks fo...
Shortcut to Apply a Formula to an Entire Column in Excel [closed]
...
also does not work on excel 2010
– Evil Washing Machine
Feb 26 '14 at 14:02
4
T...