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C++ sorting and keeping track of indexes
...p;v](size_t i1, size_t i2) {return v[i1] < v[i2];});
return idx;
}
Now you can use the returned index vector in iterations such as
for (auto i: sort_indexes(v)) {
cout << v[i] << endl;
}
You can also choose to supply your original index vector, sort function, comparator, or ...
Using R to download zipped data file, extract, and import data
... See help(gzfile) -- I was thinking that the gzip protocol may now uncompress (stone old) .z files too now that the patent has long expired. It may not. Who uses .z anyways? The 1980s called, they want their compression back ;-)
– Dirk Eddelbuettel
...
PHP random string generator
...ead. It also doesn't allow characters to repeat.
One more way.
UPDATED (now this generates any length of string):
function generateRandomString($length = 10) {
return substr(str_shuffle(str_repeat($x='0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ', ceil($length/strlen($x)) )...
Integrating Dropzone.js into existing HTML form with other fields
... a HTML form which users fill in details of an advert they wish to post. I now want to be able to add a dropzone for uploading images of the item for sale.
...
Iterating through a JSON object
...nt:
from __future__ import print_function
for song in json_object:
# now song is a dictionary
for attribute, value in song.items():
print(attribute, value) # example usage
NB: You could use song.iteritems instead of song.items if in Python 2.
...
ASP.NET MS11-100: how can I change the limit on the maximum number of posted form values?
...CollectionKeys" value="1001" />
</appSettings>
That should work now (after you have applied the security update) to change the limit.
I hadn't updated my machine yet, so using Reflector I checked the HttpValueCollection class, and it didn't have the ThrowIfMaxHttpCollectionKeysExceeded...
Scala: write string to file in one statement
...if I look at /tmp/example.txt there is no.
– user unknown
Feb 9 '12 at 1:28
@user unknown, Sorry for missing out the '...
The specified type member 'Date' is not supported in LINQ to Entities Exception
... Note that EntityFunctions is deprecated in EF6, you should now use DbFunctions.
– Julien N
Jan 8 '14 at 14:15
2
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Why does String.split need pipe delimiter to be escaped?
...nks for this explanation. I almost always forget to use the double escape. Now that I know why it's that way, it will surely help me remember from now on.
– sufinawaz
Nov 3 '14 at 21:10
...
How do you scroll up/down on the Linux console?
...
In order to prevent the Matthew Effect, from now on I will try to upvote the second and correct answer to encourage ppl to answer the questions who already have a correct answer.
– WesternGun
Dec 13 '17 at 9:11
...