大约有 30,000 项符合查询结果（耗时：0.0660秒） [XML]
Find MongoDB records where array field is not empty
...unexpected results. For example: db.doc.find({'nums': { $gt: [] }}).hint({ _id: 1 }).count() returns the right number, while db.doc.find({'nums': { $gt: [] }}).hint({ nums: 1 }).count() returns 0.
– wojcikstefan
Mar 4 '17 at 17:51
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How to get a one-dimensional scalar array as a doctrine dql query result?
... supports indexBy gist.github.com/ostrolucky/f9f1e0b271357573fde55b7a2ba91a32
– gadelat
Apr 24 '17 at 15:04
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使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...e，可加参数指定ip、端口，默认本机27017）
config={
"_id" : "ReplSetName",
"members" : [
{"_id" : 0, "host" : "172.16.88.97:27017",priority:2},
{"_id" : 1, "host" : "172.16.88.97:27018",priority:1},
{"_id" : 2, "host" : "172.16.88.97:27019",arbit...
fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'
...l studio 2008sp1) to debug a FEM program. The program can only run on a Win32 platform, for the insufficiency of cuda. I think the library files linked are all compiled on the x86 platform, but when I compile it, I get the error message "fatal error LNK1112: module machine type 'x64' conflicts with ...
android.view.InflateException: Binary XML file: Error inflating class fragment
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ReZaReZa
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Create JSON-object the correct way
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You just need another layer in your php array:
$post_data = array(
'item' => array(
'...
Learn C first before learning Objective-C [closed]
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answered Oct 7 '08 at 23:32
MeckiMecki
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How to change a table name using an SQL query?
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Use sp_rename:
EXEC sp_rename 'Stu_Table', 'Stu_Table_10'
You can find documentation on this procedure on MSDN.
If you need to include a schema name, this can only be included in the first parameter (that is, this cannot be use...
Sort hash by key, return hash in Ruby
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In Ruby 2.1 it is simple:
h.sort.to_h
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Passing a list of kwargs?
...eterPeter
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