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Add new field to every document in a MongoDB collection
...find()
{ "_id" : ObjectId("4e93037bbf6f1dd3a0a9541a"), "test" : "a" }
> item = db.foo.findOne()
{ "_id" : ObjectId("4e93037bbf6f1dd3a0a9541a"), "test" : "a" }
> db.foo.update({"_id" :ObjectId("4e93037bbf6f1dd3a0a9541a") },{$set : {"new_field":1}})
> db.foo.find()
{ "_id" : ObjectId("4e93037...
Add string in a certain position in Python
...n>", line 1, in <module>
TypeError: 'str' object does not support item assignment
It is, however, possible to create a new string that has the inserted character:
>>> s[:4] + '-' + s[4:]
'3558-79ACB6'
s...
Add new column with foreign key constraint in one command
... I read the diagram correctly) not requiring a comma to separate the added items.
Microsoft SQL Server syntax:
ALTER TABLE one
ADD two_id INTEGER,
FOREIGN KEY(two_id) REFERENCES two(id);
Some others do not allow you to combine ALTER TABLE operations like that. Standard SQL only allows a...
How to “add existing frameworks” in Xcode 4?
...S.framework) into the "frameworks" folder in XCode 4) Be sure not to "copy items into destination's group folder" 5) Choosing "Create groups for any added folders" seems to make it
– Ariel Malka
Jul 29 '10 at 22:03
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Adding a collaborator to my free GitHub account?
... at the top of the screen.
On the new page, click the "Collaborators" menu item on the left side of the page.
Start typing the new collaborator's GitHub username into the text box.
Select the GitHub user from the list that appears below the text box.
Click the "Add" button.
The added user should n...
Echo equivalent in PowerShell for script testing
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The Write-host work fine.
$Filesize = (Get-Item $filepath).length;
Write-Host "FileSize= $filesize";
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Make an Installation program for C# applications and include .NET Framework installer into the setup
...ust download file 'DotNetFX461\NDP461-KB3102436-x86-x64-AllOS-ENU.exe' for item 'Microsoft .NET Framework 4.6.1 (x86 and x64)' to your local machine. For more information, see http://go.microsoft.com/fwlink/?LinkId=616018.
– Chris
Mar 24 '18 at 7:21
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Get a random boolean in python?
I am looking for the best way (fast and elegant) to get a random boolean in python (flip a coin).
8 Answers
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How to add google chrome omnibox-search support for your site?
...gt;
</OpenSearchDescription>
The important part is the <url> item. {searchTerms} will be replaced with what the user searches for in the omnibar.
Here's a link to OpenSearch for more information.
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Get the first key name of a javascript object [duplicate]
... The order of enumeration is the same as the order in which the dictionary items are added. This is useful. in Python, for example, OrderedDictionary is a specific class, where Dictionary will returned indeterminate ordering of keys in dictionaries on enumeration
– Jay Day Zee...