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What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
...ng a request to /customers/41224d776a326fb40f000001 and a document with _id 41224d776a326fb40f000001 does not exist, doc is null and I'm returning a 404 :
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Download and open PDF file using Ajax
...ownloaded.
– Farukh
Sep 15 '18 at 5:32
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show 7 more comments
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项目管理实践教程一、工欲善其事，必先利其器【Basic Tools】 - 项目管理 -...
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http://downloads.sourceforge.net/tortoisesvn/TortoiseSVN-1.5.5.14361-win32-svn-1.5.4.msi?download
简体中文语言包下载：
http://downloads.sourceforge.net/tortoisesvn/LanguagePack_1.5.5.14361-win32-zh_CN.msi?download
TortoiseSVN 中文资料：
http://www.subversion.org.cn/tsvndoc/
htt...
Use PHP to create, edit and delete crontab jobs?
Is it possible to use PHP to create, edit and delete crontab jobs?
12 Answers
12
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What are all possible pos tags of NLTK?
...t().
– user1544337
Nov 22 '17 at 20:32
6
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How to HTML encode/escape a string? Is there a built-in?
...escaped).
– Alex D
Apr 15 '13 at 17:32
If the content is being displayed in a clients website, other then your own (wh...
Counter increment in Bash loop not working
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bosbos
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Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)
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When i run this example, in LogCat it prints: 02-24 13:32:40.872: V/SendMMSActivity(5686): TYPE_MOBILE_MMS not connected, bail 02-24 13:32:40.882: V/SendMMSActivity(5686): type is not TYPE_MOBILE_MMS, bail It also says: java.lang.SecurityException: No permission to write ...
Using column alias in WHERE clause of MySQL query produces an error
The query I'm running is as follows, however I'm getting this error:
8 Answers
8
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Nested defaultdict of defaultdict
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For an arbitrary number of levels:
def rec_dd():
return defaultdict(rec_dd)
>>> x = rec_dd()
>>> x['a']['b']['c']['d']
defaultdict(<function rec_dd at 0x7f0dcef81500>, {})
>>> print json.dumps(x)
{"a": {"b": {"c": {"d": {}}}}}
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