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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
...I almost always use curly-braces; however, in some cases where I'm writing tests, I do keyword packing/unpacking, and in these cases dict() is much more maintainable, as I don't need to change:
a=1,
b=2,
to:
'a': 1,
'b': 2,
It also helps in some circumstances where I think I might want to turn...
Convert HTML to PDF in .NET
...
have you tested any for performance ? we are looking to improve current conversion times and are exploring other libraries for these performance benefits
– frno
May 14 at 11:10
...
Fastest Way to Find Distance Between Two Lat/Long Points
...e much faster because you have drastically limited the number of points to test to the points within the box.
I call this technique "Thinking inside the box" :)
EDIT: Can this be put into one SQL statement?
I have no idea what mySql or Php is capable of, sorry.
I don't know where the best place i...
HTTP vs HTTPS performance
...
December 2014 Update
You can easily test the difference between HTTP and HTTPS performance in your own browser using the HTTP vs HTTPS Test website by AnthumChris: “This page measures its load time over unsecure HTTP and encrypted HTTPS connections. Both page...
UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的api/uc.php传递数据）
可以在uc应用目录下新建一个名为test.php的文件，来模拟登录成功，请求uc_server通知其它应用。文件内容为：
< ?php
include_once "config.inc.php";
include_once "./uc_client/client.php";
echo uc_user_synlogin(1);
echo "<pre>";...
How do browser cookie domains work?
...fc is a pretty accurate reflection of how major browsers behave. my recent tests on browsers confirmed that. although, they may differ on corner cases involving public suffixes.
– ZhongYu
Jul 9 '15 at 14:07
...
How to convert std::string to lower case?
...:locale, std::tolower
int main ()
{
std::locale loc;
std::string str="Test String.\n";
for(auto elem : str)
std::cout << std::tolower(elem,loc);
}
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...
Run a JAR file from the command line and specify classpath
... specify a class path like this:
java -cp <jar_name.jar:libs/*> com.test.App
jar_name.jar is the full name of the JAR you want to execute
libs/* is a path to your dependency JARs
com.test.App is the fully qualified name of the class from the JAR that has the main(String[]) method
The jar...
Type List vs type ArrayList in Java [duplicate]
...eal with that; e.g.
public <T extends List & RandomAccess> void test(T list) {
// do stuff
}
If you call that with a list that does not implement RandomAccess you will get a compilation error.
You could also test dynamically ... using instanceof ... if static typing is too awkward....
Finding duplicates in O(n) time and O(1) space
...ch step.
As we go through the array, success on the A[i] != i part of the test implies that A[i] could be a duplicate that hasn't been seen before. If we haven't seen it before, then we expect A[i]'s home location to point to itself -- that's what's tested for by the second half of the if conditio...