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Running shell command and capturing the output
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I've removed my misleading comment. I can confirm, p.stdout.readline() may return the non-empty previously-buffered output even if the child process have exited already (p.poll() is not None).
– jfs
Sep 18 '14 at 3:12
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MVC4 StyleBundle not resolving images
...nge relative URL references to CSS files when bundled).
NOTE: I have not confirmed comments regarding issues with rewriting to absolute paths within a virtual directory, so this may not work for everyone (?).
bundles.Add(new StyleBundle("~/Content/css/jquery-ui/bundle")
.Includ...
Spring @Transactional - isolation, propagation
...ions:
Suppose you're in charge of implementing a signup service in which a confirmation e-mail is sent to the user. You come up with two service objects, one for enrolling the user and one for sending e-mails, which the latter is called inside the first one. For example something like this:
/* Sign...
ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
...with DataGrid, ListView and many more, that you can show an "Are you sure" confirmation to the user), the updated VB version is in the bottom of this message.
Please accept my apology that the screen is too narrow to contain my code, I don't like it either.
VB.NET:
Imports System.Collections.Spec...
Show or hide element in React
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Do you have any source/benchmark/example confirming this "If you set display: none - element is still rendered by react and added to DOM - that can have bad impact on performance." ?
– neiya
Feb 4 at 13:34
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The definitive guide to form-based website authentication [closed]
...order (or change your shipping address, credit card etc.), they ask you to confirm your password.
Financial websites such as banks and credit cards, on the other hand, only have sensitive data and should not allow auto-login or a low-security mode.
List of external resources
Dos and Don'ts of Cl...
Can not connect to local PostgreSQL
...the database does not have file permissions to access the socket file. To confirm this I've done some tests on Ubuntu and psql to try to generate the same error (included below).
You need to check the permissions on the socket file and its directories /var and /var/pgsql_socket. Your Rails app (O...
demystify Flask app.secret_key
... For example, when installing software from source it's important to first confirm that your copy of the source code is identical to the author's. A common approach to do this is to run the source through a cryptographic hash function and compare the output with the checksum published on the project...
Is either GET or POST more secure than the other?
... to a website that you control (enough to have javascript). Doing <body onload="document.getElementById('a').submit()"><form id="a" action="http://example.com/delete.php" action="post"><input type="hidden" name="id" value="12"></form> isn't really that hard to submit a post s...
PyPy — How can it possibly beat CPython?
...e grained locks).
As Marcelo mentioned, the JIT. Being able to on the fly confirm the type of an object can save you the need to do multiple pointer dereferences to finally arrive at the method you want to call.
Q2. Which Python implementation was used to implement PyPy?
The PyPy interpreter is ...
