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Why does dividing two int not yield the right value when assigned to double?
...oo(int);
void foo(double);
void (*p)(double) = &foo; // automatically selects `foo(fouble)`
This is one context where the left-hand side of an assignment/initialization affects the behavior of the right-hand side. (Also, reference-to-array initialization prevents array type decay, which is an...
Delete all but the most recent X files in bash
... but the 5 last lines (ie the 5 newest files).
xargs rm calls rm for each selected file.
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Is there a NumPy function to return the first index of something in an array?
...st element. Note also that where and nonzero return arrays, so you need to select the first element to get the index.
In [71]: np.argmax(a==2)
Out[71]: 2
In [72]: np.where(a==2)
Out[72]: (array([2], dtype=int64),)
In [73]: np.nonzero(a==2)
Out[73]: (array([2], dtype=int64),)
Time comparison
Ju...
How to remove a file from the index in git?
...es in and out of the index by point-and-click. They even have support for selecting and moving portions of a file (individual changes) to and from the index.
How about a different perspective: If you mess up while using one of the suggested, rather cryptic, commands:
git rm --cached [file]
gi...
How safe is it to store sessions with Redis?
.../value pair, you can GET it immediately (i.e in real-time). The policy you select with regards to persistence (how much you delay the writes) will determine the upper-bound for how much data could be lost in a crash.
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gulp globbing- how to watch everything below directory
...lly been able to find a satisfactory answer: How do I use gulp globbing to select all files in all subdirectories below a certain directory?
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Nohup is not writing log to output file
... Works like a charm. I also think it is a better answer than the one selected as correct. Could you please mark this as correct to not confuse others?
– Ondrej Burkert
May 13 '15 at 14:50
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How I can delete in VIM all text from current line to end of file?
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Just add another way , in normal mode , type ctrl+v then G, select the rest, then D, I don't think it is effective , you should do like @Ed Guiness, head -n 20 > filename in linux.
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Query EC2 tags from within instance
... Name=resource-id,Values=ec2metadata --instance-id --out=json|jq '.Tags[]| select(.Key == "role")|.Value'
– jolestar
Apr 25 '15 at 2:14
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How do I get NuGet to install/update all the packages in the packages.config?
...ve to do is
Right click on the Solution node in Solution Explorer and select
Enable NuGet Package Restore.
Read this article for more details.
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