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AngularJS : Initialize service with asynchronous data
... how will you assign the resolve property to a controller that is not mentioned in $routeProvider. For example, <div ng-controller="IndexCtrl"></div>. Here, the controller is explicitly mentioned and not loaded via routing. In such a case, how would one delay instantiation of the control...
How to limit the amount of concurrent async I/O operations?
...to control max concurrent I/O requests similar to a sliding window pattern one request completes, leaves the semaphore and the next one gets in.
usage:
await ForEachAsync(urlStrings, YourAsyncFunc, optionalMaxDegreeOfConcurrency);
public static Task ForEachAsync<TIn>(
IEnumerable&l...
Matplotlib 2 Subplots, 1 Colorbar
...olorbar() with a list of axes.
From the documentation:
ax
None | parent axes object(s) from which space for a new colorbar axes will be stolen. If a list of axes is given they will all be resized to make room for the colorbar axes.
import numpy as np
import matplotlib.pyplot as ...
Difference between Statement and PreparedStatement
...
How would one perform SQL injection through a prepared statement then?
– Michael Borgwardt
Jul 17 '10 at 12:17
2
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How do you rename a MongoDB database?
...
This is just to accomplish a rename of a single database in a standalone mongod instance. For replica sets the above would need to be done on every replica node, plus on each node every single oplog entry that refers this database would have to be somehow invalidated or rewritten, and then if ...
Fastest way to determine if an integer's square root is an integer
...my experience, calling the modulo operator (%) costs more than the benefit one gets, so I use bit tricks involving 255 = 2^8-1 to compute the residue. (For better or worse, I am not using the trick of reading individual bytes out of a word, only bitwise-and and shifts.)
int64 y = x;
y = (y & 42...
Getting all types that implement an interface
...(p) && p.IsClass && !p.IsAbstract
– Jonesopolis
Dec 23 '15 at 18:11
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show 9 more comments
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CSS styling in Django forms
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This can be done using a custom template filter. Consider rendering your form this way:
<form action="/contact/" method="post">
{{ form.non_field_errors }}
<div class="fieldWrapper">
{{ form.subject.errors }}
{{ f...
Map a network drive to be used by a service
...
For this hack you will need SysinternalsSuite by Mark Russinovich:
Step one:
Open an elevated cmd.exe prompt (Run as administrator)
Step two:
Elevate again to root using PSExec.exe:
Navigate to the folder containing SysinternalsSuite and execute the following command
psexec -i -s cmd.exe
you are...
How can I respond to the width of an auto-sized DOM element in React?
I have a complex web page using React components, and am trying to convert the page from a static layout to a more responsive, resizable layout. However, I keep running into limitations with React, and am wondering if there's a standard pattern for handling these issues. In my specific case, I have ...