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Convert UTC datetime string to local datetime
...o provide your own tzinfo objects, check out the python-dateutil library. It provides tzinfo implementations on top of a zoneinfo (Olson) database such that you can refer to time zone rules by a somewhat canonical name.
from datetime import datetime
from dateutil import tz
# METHOD 1: Hardcode zo...
Call Go functions from C
I am trying to create a static object written in Go to interface with a C program (say, a kernel module or something).
4 An...
Getting Chrome to accept self-signed localhost certificate
...certificate for the localhost CN. Firefox accepts this certificate after initially complaining about it, as expected. Chrome and IE, however, refuse to accept it, even after adding the certificate to the system certificate store under Trusted Roots. Even though the certificate is listed as correctly...
How many database indexes is too many?
I'm working on a project with a rather large Oracle database (although my question applies equally well to other databases). We have a web interface which allows users to search on almost any possible combination of fields.
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Getting the application's directory from a WPF application
I found solutions for Windows Forms with AppDomain but what would be the equivalent for a WPF Application object?
8 Answe...
Where to put include statements, header or source?
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Only put includes in a header if the header itself needs them.
Examples:
Your function returns type size_t. Then #include <stddef.h> in the header file.
Your function uses strlen. Then #include <string.h> in the source file.
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Are there good reasons not to use an ORM? [closed]
...t using an object relational mapper to the database can ease development quite a lot. The other coders in the development team are much more experienced than me, so I think I will just do what they say. :-)
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Parse string to DateTime in C#
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DateTime.Parse() will try figure out the format of the given date, and it usually does a good job. If you can guarantee dates will always be in a given format then you can use ParseExact():
string s = "2011-03-21 13:26";
DateTime dt =
DateTime.ParseExact(s, "yyyy-MM-dd HH:mm", CultureInfo...
What is [Serializable] and when should I use it?
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What is it?
When you create an object in a .Net framework application, you don't need to think about how the data is stored in memory. Because the .Net Framework takes care of that for you. However, if you want to store the contents ...
Encrypt Password in Configuration Files? [closed]
...to encrypt and decrypt a text by using a password.
This basically means initializing a javax.crypto.Cipher with algorithm "AES/CBC/PKCS5Padding" and getting a key from javax.crypto.SecretKeyFactory with the "PBKDF2WithHmacSHA512" algorithm.
Here is a code example (updated to replace the less secur...