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Query for documents where array size is greater than 1
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Great, that was perfect thank you. Although I actually have some documents that don't have a name so had to modify the query to be: db.accommodations.find( { $where: "if (this.name && this.name.length > 1) {return this; } "} );
– emson
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Getting Django admin url for an object
...index') and was constantly getting django.core.urlresolvers.NoReverseMatch errors.
Turns out I had the old format admin urls in my urls.py file.
I had this in my urlpatterns:
(r'^admin/(.*)', admin.site.root),
which gets the admin screens working but is the deprecated way of doing it. I needed...
Why unsigned integer is not available in PostgreSQL?
... psql gives when I try to abuse the type.
DS1=# select (346346 :: uint2);
ERROR: value for domain uint2 violates check constraint "uint2_check"
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error C2664:...No user-defined-conversion operator available that can ...
error C2664:...No user-defined-conversion operator available that can perform this conversion, or the operator cannot be callederror C2664: '__thiscall std::list<int,class std::allocator<int> >::std::list<int,class std::allocator<int> >(unsigned...error C2664: '__thiscall std::list<int,class std::al...
Intel SMID指令集编译错误: inlining failed in call to always_inline \'x...
...always_inline 'xxx': target specific option mismatch xxxintel_smid_compile_error最近在使用CPU指令集优化代码的时候，编译出错，报错如下： usr lib64 gcc x86_64-suse-linux 7 include avx2intrin h:252:1: error: inlining failed in call to always_i 最近在使用CPU指令集优...
Django's SuspiciousOperation Invalid HTTP_HOST header
After upgrading to Django 1.5, I started getting errors like this:
4 Answers
4
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No == operator found while comparing structs in C++
Comparing two instances of the following struct, I receive an error:
8 Answers
8
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Converting strings to floats in a DataFrame
...pd.to_numeric(s)
s = pd.Series(['apple', '1.0', '2', -3])
pd.to_numeric(s, errors='ignore')
pd.to_numeric(s, errors='coerce')
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REST API - why use PUT DELETE POST GET?
...ou to use it as you see fit. I'd suggest taking advantage of all of HTTP's error codes and request methods, but you're allowed to do it however you want
– zzzzBov
Jan 1 '11 at 16:15
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Dealing with commas in a CSV file
...any easily-available csv library - that is to say RFC 4180.
There's actually a spec for CSV format and how to handle commas:
Fields containing line breaks (CRLF), double quotes, and commas should be enclosed in double-quotes.
http://tools.ietf.org/html/rfc4180
So, to have values foo and ...