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Setting Windows PowerShell environment variables
...nd out that setting the PATH environment variable affects only the old command prompt. PowerShell seems to have different environment settings. How do I change the environment variables for PowerShell (v1)?
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Add new field to every document in a MongoDB collection
...to add a new_field to all your collection, you have to use empty selector, and set multi flag to true (last param) to update all the documents
db.your_collection.update(
{},
{ $set: {"new_field": 1} },
false,
true
)
EDIT:
In the above example last 2 fields false, true specifies the upser...
Opacity of background-color, but not the text [duplicate]
.../css-background-transparency-without-affecting-child-elements-through-rgba-and-filters/
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How to download image from url
...emp\image35.png");
}
These methods are almost same as DownloadString(..) and DownloadStringAsync(...). They store the file in Directory rather than in C# string and no need of Format extension in URi
If You don't know the Format(.png, .jpeg etc) of Image
public void SaveImage(string filename, Im...
How to align absolutely positioned element to center?
I am trying to stack two canvas together and make it a double layers canvas.
7 Answers
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View git history for folder
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And deletions of directories under path/to/folder ? will they show up?
– Zarathustra
Jul 22 '16 at 12:19
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How to determine if one array contains all elements of another array
...d Sep 12 '11 at 12:36
Pablo FernandezPablo Fernandez
91.2k5353 gold badges177177 silver badges224224 bronze badges
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Immediate Child selector in LESS
...>.control {
...
}
}
Note the lack of space between ">" and ".", otherwise it won't work.
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Can you do greater than comparison on a date in a Rails 3 search?
... also convert everything into the SQL notation
Note.
where("user_id = ? AND notetype = ? AND date > ?", current_user.id, p[:note_type], p[:date]).
order('date ASC, created_at ASC')
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Hide all warnings in ipython
I need to produce a screencast of an ipython session, and to avoid confusing viewers, I want to disable all warnings emitted by warnings.warn calls from different packages. Is there a way to configure the ipythonrc file to automatically disable all such warnings?
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