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How would Git handle a SHA-1 collision on a blob?
...ing SHA-256 is regularly mentioned, but not act upon for now (2012).
Note: starting 2018 and Git 2.19, the code is being refactored to use SHA-256.
Note (Humor): you can force a commit to a particular SHA1 prefix, with the project gitbrute from Brad Fitzpatrick (bradfitz).
gitbrute brute-forc...
What is “(program)” in Chrome debugger’s profiler?
...use the jump from native code to JavaScript, resource loading, etc. has to start somewhere :)
You can see examples of the treeview in the Chrome developer tool docs.
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How could I use requests in asyncio?
... 100 slots simultaneously, not to wait for 100 to be delivered in order to start next 100.
– Antoan Milkov
Jun 9 '19 at 9:35
...
What algorithms compute directions from point A to point B on a map?
...modifications:
Instead of doing Dijkstra's once from source to dest, you start at each end, and expand both sides until they meet in the middle. This eliminates roughly half the work (2*pi*(r/2)^2 vs pi*r^2).
To avoid exploring the back-alleys of every city between your source and destination, you...
Ruby: extend self
...nitialize
@host = 'http://cheat.errtheblog.com/'
@http = Net::HTTP.start(URI.parse(@host).host)
end
def sheet(name)
@http.get("/s/#{name}").body
end
end
# then you use it
Cheat.instance.sheet 'migrations'
Cheat.instance.sheet 'yahoo_ceo'
But that’s crazy. Fight the power.
req...
Rounded UIView using CALayers - only some corners - How?
...us values in the code. The code for all corners is there, so use that as a starting point and delete the parts that create corners you don't need. Note that you can make rectangles with 2 or 3 rounded corners too if you want.
The code's not perfect, but I'm sure you can tidy it up a little bit.
s...
Node.js or Erlang
... I would suggest writing a standalone functional program first before you start building web apps. An even easier first step, since you seem comfortable with Javascript, is to try programming JS in a more functional style. If you use jQuery or Prototype, you've already started down this path. Tr...
How to evaluate a math expression given in string form?
...turn -parseFactor(); // unary minus
double x;
int startPos = this.pos;
if (eat('(')) { // parentheses
x = parseExpression();
eat(')');
} else if ((ch >= '0' && ch <= '9') || ch == '.') { // numbers
...
How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
...us - GNU (LGPL) - No longer maintained
EPPlus 5 - Polyform Noncommercial - Starting May 2020
NPOI - Apache License
Here some example code for ExcelLibrary:
Here is an example taking data from a database and creating a workbook from it. Note that the ExcelLibrary code is the single line at the bott...
What is REST? Slightly confused [closed]
...rst read Ryan Tomayko's post How I explained REST to my wife; it's a great starting point. Then read Fielding's actual dissertation. It's not that advanced, nor is it long (six chapters, 180 pages)! (I know you kids in school like it short).
EDIT: I feel it's pointless to try to explain REST. It ...