大约有 44,000 项符合查询结果（耗时：0.0780秒） [XML]
Convert XmlDocument to String
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+1 for fixing the code to use using blocks and not XmlTextWriter.
– John Saunders
Mar 9 '10 at 8:02
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return query based on date
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You probably want to make a range query, for example, all items created after a given date:
db.gpsdatas.find({"createdAt" : { $gte : new ISODate("2012-01-12T20:15:31Z") }});
I'm using $gte (greater than or equals), because this is often used for date-only queries...
How to get the index of a maximum element in a numpy array along one axis
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this works fine for integers but what can I do for float values and the numbers between 0 and 1
– Priyom saha
Feb 23 '19 at 8:26
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How to use CMAKE_INSTALL_PREFIX
...MAKE_INSTALL_PREFIX < install_path >)
But do remember to place it BEFORE PROJECT(< project_name>) command, otherwise it will not work!
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Mixins vs. Traits
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I know it's a year past date, but for future readers, in ruby it would use the method form the last module that was mixed in, so it would call foo() form MB
– rik.vanmechelen
Jan 12 '12 at 19:36
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MySQL CONCAT returns NULL if any field contain NULL
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For those wonder, as I did, what the COALESCE function does: it returns the first non-NULL value parameter passed to it (or NULL if all parameters are NULL). By passing an empty string as the second parameter, you are guarant...
Maven command to determine which settings.xml file Maven is using
...t your post some 2.5 years later is finally the exact answer I was looking for (sorry for the 6 month delay in noticing it).
– harschware
Nov 12 '12 at 17:25
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Count occurrences of a char in plain text file
...rk if you need to count \r or \n characters; the tr -cd f answer does work for that.
– bjnord
Oct 5 '13 at 0:08
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Simple Log to File example for django 1.3+
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LOGGING = {
'version': 1,
'disable_existing_loggers': True,
'formatters': {
'standard': {
'format' : "[%(asctime)s] %(levelname)s [%(name)s:%(lineno)s] %(message)s",
'datefmt' : "%d/%b/%Y %H:%M:%S"
},
},
'handlers': {
'null': {
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How do you use window.postMessage across domains?
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From another question, it looks the domains(A and B here) must have a / for the postMessage to work properly.
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