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Node.js Mongoose.js string to ObjectId function
...n it is saved from a string, mongo tells me it is still just a string. The _id of the object, for instance, is displayed as objectId("blah") .
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Automatically capture output of last command into a variable using Bash?
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This is a really hacky solution, but it seems to mostly work some of the time. During testing, I noted it sometimes didn't work very well when getting a ^C on the command line, though I did tweak it a bit to behave a bit better.
This...
Purpose of Django setting ‘SECRET_KEY’
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Why didn't they call it a salt then? ;)
– datenwolf
Jun 15 '13 at 18:00
30
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How do I replace NA values with zeros in an R dataframe?
...then assign it to the location/name on the left. In this case, we aren't really "doing" anything - just making zeroes. The left side is saying: look at the d object, inside the d object (the square brackets), find all the elements that return TRUE (is.na(d) returns a logical for each element). Once...
Understanding NSRunLoop
... run loop directly, though there are some (networking) components that may allow you to specify which run loop they will use for I/O processing.
A run loop for a given thread will wait until one or more of its input sources has some data or event, then fire the appropriate input handler(s) to proce...
MongoDB, remove object from array
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try..
db.mycollection.update(
{'_id': ObjectId("5150a1199fac0e6910000002")},
{ $pull: { "items" : { id: 23 } } },
false,
true
);
share
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improve thi...
get dictionary value by key
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It's as simple as this:
String xmlfile = Data_Array["XML_File"];
Note that if the dictionary doesn't have a key that equals "XML_File", that code will throw an exception. If you want to check first, you can use TryGetValue like this:
string xmlfile;
if (!Data_Array.T...
Win10正式版官方原版ISO镜像下载大全（64位&32位） - 软件下载 - 清泛网 - ...
...方原版 正式版【64位简体中文家庭 专业版】 文件名：cn_windows_10_multiple_editions_x64_dvd_6848463.iso 体积：4.01GB SHA1：C71D49A6...【64位简体中文家庭/专业版】
文件名：cn_windows_10_multiple_editions_x64_dvd_6848463.iso
体积：4.01GB
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SQL Server: Filter output of sp_who2
Under SQL Server, is there an easy way to filter the output of sp_who2? Say I wanted to just show rows for a certain database, for example.
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Automatically add all files in a folder to a target using CMake?
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An alternative to manually re-running cmake is to touch the CMakeLists.txt file before running make.
– Seamus Connor
Oct 1 '15 at 16:38
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