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Tuples( or arrays ) as Dictionary keys in C#
...he nested dictionary case, having an additional dictionary for every keys (outer and inner) will have some memory overhead (more than what creating a tuple would have).
In the nested dictionary case, every basic action like addition, updation, lookup, removal etc need to be carried out in two dictio...
Maven2: Best practice for Enterprise Project (EAR file)
I am just switching from Ant to Maven and am trying to figure out the best practice to set up a EAR file based Enterprise project?
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Is #pragma once part of the C++11 standard?
...e set up to do this for
you whenever you open a new header.) But even without this,
I've yet to encounter any problems with conflicts between
libraries.
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Make xargs execute the command once for each line of input
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For me it can out as xargs -n 1 as the one you gave showed "argument list too long".
– Wernight
Sep 20 '11 at 9:14
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How do I create a random alpha-numeric string in C++?
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return tmp_s;
}
int main(int argc, char *argv[]) {
cout << gen_random(12) << endl;
return 0;
}
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What's the difference between a single precision and double precision floating point operation?
...cision these days are pretty universally defined by IEEE, and as you point out single precision has 23 bits in the fraction and double has 52 bits--that is basically double the precision...
– Carl Walsh
Jul 20 '12 at 20:34
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How to merge remote master to local branch
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How about (assuming you're currently on branch configUpdate) ... git pull is basically the same as git fetch; git merge origin/master. <-- NOT TRUE
– Chris
Oct 18 '17 at 17:42
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Npm install failed with “cannot run in wd”
... modules, install them separately and then run the regular npm install without root privileges:
sudo npm install -g coffee-script node-gyp
npm install
Related:
package.json for global module installation
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How would you implement an LRU cache in Java?
...tained a mapping for the key, the old value is replaced". And if you check out its source code, when replacing the old value, it will call recordAccess method, and in LinkedHashMap's recordAccess method, it looks like this: if (lm.accessOrder) { lm.modCount++; remove(); addBefore(lm.header);}
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pandas read_csv and filter columns with usecols
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Thanks. I never figured out the right combination of re-arranging the names and numbers based on usecols so the data came in correct.
– chip
Feb 22 '13 at 23:17
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