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Java FileOutputStream Create File if not exists
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createNewFile() is a total waste of time here. The system will already do that. You're just forcing it to look twice.
– Marquis of Lorne
Feb 15 '19 at 7:25
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How to send HTTP request in java? [duplicate]
... to the URIs HttpComponents uses. I refactor those out regularly. The only time HttpComponents code turned out significantly more complicated was for parsing dates from a header. But the solution for that is still simple.
– Michael Scheper
Dec 13 '12 at 7:52
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Remove unwanted parts from strings in a column
...d the substring to replace it with.
pd.__version__
# '0.24.1'
df
time result
1 09:00 +52A
2 10:00 +62B
3 11:00 +44a
4 12:00 +30b
5 13:00 -110a
df['result'] = df['result'].str.replace(r'\D', '')
df
time result
1 09:00 52
2 10:00 62
3 11:00 44
4 12:00 ...
Entity framework self referencing loop detected [duplicate]
...list being returned by excluding data or by making a facade object and sometimes that is not an option.
Using the JsonIgnore attribute to restrict the references can be time consuming and if you want to serialize the tree starting from another point that will be a problem.
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Utilizing multi core for tar+gzip/bzip compression/decompression
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There is effectively no CPU time spent tarring, so it wouldn't help much. The tar format is just a copy of the input file with header blocks in between files.
– Mark Adler
Apr 23 '15 at 5:23
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Error: “dictionary update sequence element #0 has length 1; 2 is required” on Django 1.4
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Thanks for the answer next time I will copy the traceback, but it's weird, when it happened with the template tag, just after uwsgi restart, the result displayed properly, so there was result
– user2575627
Jul 12 ...
Find out who is locking a file on a network share
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If its simply a case of knowing/seeing who is in a file at any particular time (and if you're using windows) just select the file 'view' as 'details', i.e. rather than Thumbnails, tiles or icons etc. Once in 'details' view, by default you will be shown;
- File name
- Size
- Type, and
- Date mod...
How to save a data.frame in R?
I made a data.frame in R that is not very big, but it takes quite some time to build. I would to save it as a file, which I can than again open in R?
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How to use Elasticsearch with MongoDB?
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"build_hash" : "e511f7b28b77c4d99175905fac65bffbf4c80cf7",
"build_timestamp" : "2014-05-22T12:27:39Z",
"build_snapshot" : false,
"lucene_version" : "4.7"
},
"tagline" : "You Know, for Search"
}
Now install the Elasticsearch plugins so it can play with MongoDB.
bin/plugin --in...
What is a “callable”?
...r what a metaclass is , there is an associated concept that I use all the time without knowing what it really means.
12 A...