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MySQL: Set user variable from result of query
...but you need to move the variable assignment into the query:
SET @user := 123456;
SELECT @group := `group` FROM user WHERE user = @user;
SELECT * FROM user WHERE `group` = @group;
Test case:
CREATE TABLE user (`user` int, `group` int);
INSERT INTO user VALUES (123456, 5);
INSERT INTO user VALUES...
Ensuring json keys are lowercase in .NET
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176
You can create a custom contract resolver for this. The following contract resolver will conve...
Git stash twice
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171
You can get a list of all stashes with
git stash list
which will show you something like
s...
how to check the dtype of a column in python pandas
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127
You can access the data-type of a column with dtype:
for y in agg.columns:
if(agg[y].dtyp...
Matplotlib (pyplot) savefig outputs blank image
..., then I would adjust the values I pass to plt.subplot(); maybe try values 131, 132, and 133, or values that depend whether or not T0 exists.
Second, after plt.show() is called, a new figure is created. To deal with this, you can
Call plt.savefig('tessstttyyy.png', dpi=100) before you call plt.sh...
What's the best way to add a drop shadow to my UIView
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edited Oct 7 '16 at 14:51
Candost Dagdeviren
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Cross-browser custom styling for file upload button [duplicate]
... freedom in styling than the styling allowed via webkit's built-in styling[1].
The label tag was made for the exact purpose of directing any click events on it to the child inputs[2], so using that, you won't require any JavaScript to direct the click event to the input button for you anymore. You'...
Is there a function to deselect all text using JavaScript?
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167
Try this:
function clearSelection()
{
if (window.getSelection) {window.getSelection().remove...
What is the “__v” field in Mongoose
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312
From here:
The versionKey is a property set on each document when first created
by Mongoo...
Should I use 'border: none' or 'border: 0'?
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