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Which cryptographic hash function should I choose?
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Eric BurnettEric Burnett
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How to make exe files from a node.js app?
...ay. See also the node webkit cheatsheet here: gist.github.com/LeCoupa/80eca2716a2b13c37cce Includes other intensely useful stuff like how to compile the JS (or at least crunch down to byte code depending on how old-fashioned you want to be about the word "compile").
– Erik R...
Update value of a nested dictionary of varying depth
...ng by that point. Here's a test case with multiple keys: update({'A1': 1, 'A2':2}, {'A1': {'B1': {'C1': 3, 'C2':4}, 'B2':2}, 'A3':5}). Do you have an example that doesn't do what you want?
– bscan
Feb 27 '17 at 15:59
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Why are unnamed namespaces used and what are their benefits?
...ven make a type translation unit local.
namespace { int a1; }
static int a2;
Both a's are translation unit local and won't clash at link time. But the difference is that the a1 in the anonymous namespace gets a unique name.
Read the excellent article at comeau-computing Why is an unnamed namesp...
Calculate RSA key fingerprint
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Run the following command to retrieve the SHA256 fingerprint of your SSH key (-l means "list" instead of create a new key, -f means "filename"):
$ ssh-keygen -lf /path/to/ssh/key
So for example, on my machine the command I ran was (using RSA public key):
$ ssh-keyg...
30岁之后，程序员该向什么方向发展？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...入了解后就能真正把这个东西变成使用了一个东西。
Q & A2、大牛们怎么看待加班？
严清：
我们公司是弹性工作制。我经常是去的最早的，通常也是八点左右到公司，反正你下班也没个固定的时间点。对我来说我不觉得是在加...
Replace a newline in TSQL
... New update! Test-cases can be found here: sqlfiddle.com/#!6/585a2/1/0 -- SQLFiddle seemed to choke on my actual run of the test-cases so instead, I built a "test-case query builder" table & give you the 9 statements to copy-paste into your own SSMS window to run (after creating the s...
nginx showing blank PHP pages
...inition of variable SCRIPT_FILENAME:
$ diff fastcgi_params fastcgi.conf
1a2
> fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
To make a long story short, fastcgi.conf should always work. If for some reason you're set up is using fastcgi_params, you should define SCRIPT_F...
Remove sensitive files and their commits from Git history
...irosantilli/test-dangling-delete/commits/8c08448b5fbf0f891696819f3b2b2d653f7a3824 This works even if you recreate another repository with the same name.
To test this out, I have created a repo: https://github.com/cirosantilli/test-dangling and did:
git init
git remote add origin git@github.com:cir...
What differences, if any, between C++03 and C++11 can be detected at run-time?
...);
}
You can also abuse the new keywords
struct a { };
struct b { a a1, a2; };
struct c : a {
static b constexpr (a());
};
bool isCpp0x() {
return (sizeof c::a()) == sizeof(b);
}
Also, the fact that string literals do not anymore convert to char*
bool isCpp0xImpl(...) { return true; }
bo...