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SQL Server NOLOCK and joins
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@InSane: Where did you get this info from? It seems to go against the accepted answer.
– Jay Sullivan
Dec 23 '13 at 15:53
1
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CSS container div not getting height
...container. see http://css.maxdesign.com.au/floatutorial/clear.htm for more info on floats.
eg.
<div class="c">
<div class="l">
</div>
<div class="m">
World
</div>
<div style="clear: both" />
</div>
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Why use multiple columns as primary keys (composite primary key)
... 1) the "great primary key debate" link is particularly stupid, the info is self-serving and false. 2) The index on the columns that make the row unique cannot be avoided. A "surrogate" ID with an index is always an additional column and an additional index. Rather silly because it is redund...
Use of alloc init instead of new
...? (Note: I'm not trying to be condescending; I would just like to get more info, and know if following Apple's lead is sometimes a bad idea.)
– Senseful
Oct 11 '13 at 21:36
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Filtering for empty or NULL names in a queryset
...ame.objects.exclude(Q(alias__isnull=True) | Q(alias__exact=''))
For more info see this page and this page in the Django docs.
As an aside: My SQL examples are just an analogy--the actual generated SQL code will probably look different. You'll get a deeper understanding of how Django queries work ...
What is the minimum length of a valid international phone number?
... to E.164 , the maximum length is 15 digits, but I was unable to find any information about the minimum. I consider digits only, no plus sign or separators.
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How to set custom header in Volley Request
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If what you need is to post data instead of adding the info in the url.
public Request post(String url, String username, String password,
Listener listener, ErrorListener errorListener) {
JSONObject params = new JSONObject();
params.put("user", username);
params.put...
Regex to validate password strength
...ry easy to open yourself to catastrophic backtracking (regular-expressions.info/catastrophic.html). This can go unnoticed until one day your server hangs with 100% CPU because a user used a "strange" password. Example: ^([a-z0-9]+){8,}$ (can you see the error?)
– aKzenT
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Carriage Return/Line Feed in .Net Resource File (App_GlobalResources)
...ak <br> and this goes in the second line.
There's a post with more info here: Putting a line break in an resx resource file
If you happen to be using Razor view engine with ASP.NET MVC you need to use:
@Html.Raw(ResourceFile.ResourceString)
so that it prints the <br> as HTML.
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How to execute a java .class from the command line
... and i hope on the other os's also
Thanks Stack overflow for a wealth of info.
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