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Accessing inactive union member and undefined behavior?
... initial sequence (C99, §6.5.2.3/5):
One special guarantee is made in order to simplify the use of unions: if a union contains
several structures that share a common initial sequence (see below), and if the union
object currently contains one of these structures, it is permitted to inspect ...
What is the meaning of “$” sign in JavaScript
...identifier.
JavaScript allows upper and lower letters, numbers, and $ and _. The $ was intended to be used for machine-generated variables (such as $0001).
Prototype, jQuery, and most javascript libraries use the $ as the primary base object (or function). Most of them also have a way to relinquis...
Error :: duplicate files during packaging of APK
...nswered May 1 '15 at 22:58
Pian0_M4nPian0_M4n
2,1122525 silver badges3131 bronze badges
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How to create a custom attribute in C#
...just data. However, using reflection, one can leverage those attributes in order to create functionality.
So, for instance, let's look at the Validation Application Block, from Microsoft's Enterprise Library. If you look at a code example, you'll see:
/// <summary>
/// blah blah code...
Can an Android NFC phone act as an NFC tag?
...nswered Nov 2 '13 at 13:53
iglen_iglen_
17122 silver badges99 bronze badges
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What should every developer know about databases? [closed]
...
Good question. The following are some thoughts in no particular order:
Normalization, to at least the second normal form, is essential.
Referential integrity is also essential, with proper cascading delete and update considerations.
Good and proper use of check constraints. Let the dat...
How to version control a record in a database
...ite queries against the FOO table. Happy days.
Then, I would create a FOO_HISTORY table. This has all the columns of the FOO table. The primary key is the same as FOO plus a RevisionNumber column. There is a foreign key from FOO_HISTORY to FOO. You might also add columns related to the revisio...
JSON to pandas DataFrame
...
I found a quick and easy solution to what I wanted using json_normalize() included in pandas 1.01.
from urllib2 import Request, urlopen
import json
import pandas as pd
path1 = '42.974049,-81.205203|42.974298,-81.195755'
request=Request('http://maps.googleapis.com/maps/api/elevati...
Remove padding from columns in Bootstrap 3
... I just create this @mixin nopadding{ padding:0!important; } in my _mixin.scss and then add @include nopadding; to the code above. :)
– jpcmf80
Mar 18 '15 at 14:49
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.NET Global exception handler in console application
...udge the quality of an answer. It seems to me that down-voting answers in order to "comment" on the person providing them is a much bigger abuse than down-voting answers based on the content of the answer itself regardless of whether that vote is accurate or not. Don't take/make it so personal.
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