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How to extract the first two characters of a string in shell scripting?
...two characters, short will be identical to it.
This in-shell method is usually better if you're going to be doing it a lot (like 50,000 times per report as you mention) since there's no process creation overhead. All solutions which use external programs will suffer from that overhead.
If you also...
Why does the order of the loops affect performance when iterating over a 2D array?
... x[1][0] etc...
Meaning that you're hitting them all in order. Now look at the 1st version. You're doing:
x[0][0]
x[1][0]
x[2][0]
x[0][1]
...
How to maintain aspect ratio using HTML IMG tag
... The size is fixed, the aspect ratio is not, as the question was specifically about any image of any resolution. Including resolutions smaller than 64x64.
– Koenigsberg
Jul 31 '18 at 8:50
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Is there a way to iterate over a slice in reverse in Go?
...
How about use defer:
s := []int{5, 4, 3, 2, 1}
for i, _ := range s {
defer fmt.Println(s[i])
}
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Show diff between commits
...
Try
git diff k73ud^..dj374
to make sure to include all changes of k73ud in the resulting diff.
git diff compares two endpoints (instead of a commit range).
Since the OP want to see the changes introduced by k73ud, he/she needs to difference between the first parent commit of...
Convert Dictionary to semicolon separated string in c#
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Edited according to comments.
– the_drow
Oct 6 '10 at 11:18
7
@Amittai, @the_dr...
Why no love for SQL? [closed]
...traction layer.
But it's true - there are no feasible alternatives. So we all will use SQL for the next few years.
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UIButton custom font vertical alignment
I've got a UIButton which uses a custom font, which is set when my view loads:
6 Answers
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What is the difference between encrypting and signing in asymmetric encryption?
What is the difference between encrypting some data vs signing some data (using RSA)?
11 Answers
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Disable developer mode extensions pop up in Chrome
... to chrome://extensions, check Developer mode and click Pack extension
Install the extension by dragging and dropping the .crx file into the chrome://extensions page.
You'll get an "Unsupported extensions disabled" popup if you try restarting Chrome at this point.
Then for Windows 7 or Windows 8:...