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What is the difference between $(command) and `command` in shell programming?
To store the output of a command as a variable in sh/ksh/bash, you can do either
6 Answers
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How do I find the most recent git commit that modified a file?
...If you want to just get the hash of the latest commit to modify a specific set of files (and want to avoid awk) you can use:
git log -n 1 --pretty=format:%h -- <path>
This can be useful for getting the commit hash for subsequently using with git describe.
For example (in case it's useful...
How to send commands when opening a tmux session inside another tmux session?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
What is the argument for printf that formats a long?
The printf function takes an argument type, such as %d or %i for a signed int . However, I don't see anything for a long value.
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Why does C++ rand() seem to generate only numbers of the same order of magnitude?
In a small application written in C/C++, I am facing a problem with the rand function and maybe the seed :
9 Answers
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Find size of object instance in bytes in c#
...izes are the same on 64-bit - you might have to adjust the types and/or offsets if they are not.
This will work for all "normal" types, for which all instances have the same, well-defined types. Those for which this isn't true are arrays and strings for sure, and I believe also StringBuilder. For t...
Converting numpy dtypes to native python types
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found myself having mixed set of numpy types and standard python. as all numpy types derive from numpy.generic, here's how you can convert everything to python standard types:
if isinstance(obj, numpy.generic):
return numpy.asscalar(obj)
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Sql query to insert datetime in SQL Server
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@Shee Take a look at the SET DATEFORMAT statement. This is the setting for an individual connection, but the setting can be specified server-wide. You can also specify SET LANGUAGE to control things like which character is used for the radix and su...
Generate unique random numbers between 1 and 100
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Modern JS Solution using Set (and average case O(n))
const nums = new Set();
while(nums.size !== 8) {
nums.add(Math.floor(Math.random() * 100) + 1);
}
console.log([...nums]);
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Programmer-friendly search engine? [closed]
...find a smart way of indexing only "programming-related" pages, than we are set: I be