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What are the options for storing hierarchical data in a relational database? [closed]
...suggested. Use an Adjacency List to maintain the hierarchy and use Nested Sets to query the hierarchy.
The problem up until now has been that the coversion method from an Adjacecy List to Nested Sets has been frightfully slow because most people use the extreme RBAR method known as a "Push Stack" ...
How do you remove a Cookie in a Java Servlet
...ou want the cookie to persist for the duration of the session. You want to set MaxAge to 0 instead.
From the API documentation:
A negative value means that the cookie is not stored persistently and will be deleted when the Web browser exits. A zero value causes the cookie to be deleted.
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How do I specify the platform for MSBuild?
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@Julien can/should i use .targets file for setting up shared configurations?
– Jan 'splite' K.
Nov 27 '13 at 13:55
4
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Angular.js programmatically setting a form field to dirty
...ly updating some of the fields on my form with a value and I would like to set the field state to $dirty . Doing something like:
...
WPF: Setting the Width (and Height) as a Percentage Value
... This does not work, even if the TextBox is in a Grid. The width can be set to a Double, Qualified Double (A double value followed by px, in, cm or pt) or Auto. See msdn.microsoft.com/en-GB/library/…
– Darren
Jun 19 '14 at 16:18
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JPQL IN clause: Java-Arrays (or Lists, Sets…)?
I would like to load all objects that have a textual tag set to any of a small but arbitrary number of values from our database. The logical way to go about this in SQL would be to build an "IN" clause. JPQL allows for IN, but it seems to require me to specify every single parameter to IN directly (...
Matplotlib 2 Subplots, 1 Colorbar
...olorbar(im, cax=cbar_ax)
plt.show()
Note that the color range will be set by the last image plotted (that gave rise to im) even if the range of values is set by vmin and vmax. If another plot has, for example, a higher max value, points with higher values than the max of im will show in uniform...
How to set default browser window size in Protractor/WebdriverJS
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You can set default browser size by running:
var width = 800;
var height = 600;
browser.driver.manage().window().setSize(width, height);
To maximize the browser window run:
browser.driver.manage().window().maximize();
To set po...
Django: Set foreign key using integer?
Is there a way to set foreign key relationship using the integer id of a model? This would be for optimization purposes.
2...
matplotlib: colorbars and its text labels
...ata, cmap=cMap)
#legend
cbar = plt.colorbar(heatmap)
cbar.ax.get_yaxis().set_ticks([])
for j, lab in enumerate(['$0$','$1$','$2$','$>3$']):
cbar.ax.text(.5, (2 * j + 1) / 8.0, lab, ha='center', va='center')
cbar.ax.get_yaxis().labelpad = 15
cbar.ax.set_ylabel('# of contacts', rotation=270)
...