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How to read the output from git diff?
...
diff --git a/builtin-http-fetch.c b/http-fetch.c
similarity index 95%
rename from builtin-http-fetch.c
rename to http-fetch.c
index f3e63d7..e8f44ba 100644
--- a/builtin-http-fetch.c
+++ b/http-fetch.c
@@ -1,8 +1,9 @@
#include "cache.h"
#include "walker.h"
-int cmd_http_fetch(int argc, const cha...
Complex numbers usage in python [closed]
...on data types. I can't understand how to use a complex number. Please give me examples of usage of complex numbers in Python.
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How to paste yanked text into the Vim command line
...gister 1 goes to register 2, etc.),
" (default register, also known as unnamed register. This is where the " comes in Ctrl-R, "),
a to z for your own use (capitalized A to Z are for appending to corresponding registers).
_ (acts like /dev/null (Unix) or NUL (Windows), you can write to it but it's di...
Why does CSS work with fake elements?
...y class, I was playing around and found out that CSS works with made-up elements.
19 Answers
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Does Python optimize tail recursion?
... return csum
... n, csum = n - 1, csum + n # Update parameters instead of tail recursion
>>> trisum(1000,0)
500500
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What is your most productive shortcut with Vim?
...veloper) faster with Vim than with any other editor.
I'm using Vim to do some basic stuff and I'm at best 10 times less productive with Vim.
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When to use the brace-enclosed initializer?
...ializing with are a list of values to be stored in the object (like the elements of a vector/array, or real/imaginary part of a complex number), use curly braces initialization if available.
If the values you are initializing with are not values to be stored, but describe the intended value/state of...
Adding the “Clear” Button to an iPhone UITextField
...Builder. You have to enable it programmatically.
Add this line of code somewhere (viewDidLoad, for example):
Objective-C
myUITextField.clearButtonMode = UITextFieldViewModeWhileEditing;
Swift 5.0
myUITextField.clearButtonMode = .whileEditing
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Real life example, when to use OUTER / CROSS APPLY in SQL
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Some uses for APPLY are...
1) Top N per group queries (can be more efficient for some cardinalities)
SELECT pr.name,
pa.name
FROM sys.procedures pr
OUTER APPLY (SELECT TOP 2 *
FROM sys.pa...
Why can't yield return appear inside a try block with a catch?
...practicality rather than feasibility. I suspect there are very, very few times where this restriction is actually an issue that can't be worked around - but the added complexity in the compiler would be very significant.
There are a few things like this that I've already encountered:
Attributes n...