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How do I uniquely identify computers visiting my web site?
...session, your database schema will look like this:
sesssion:
sessionID: string
// Global session data goes here
computers: [{
BrowserID: string
ComputerID: string
FingerprintID: string
userID: string
authToken: string
ipAddresses: ["203.525....", "203.525...", ....
How do I find the absolute url of an action in ASP.NET MVC?
...ters represent actions/controllers. In that way R# can still validate the strings you provide, as it does so well.
– Drew Noakes
Aug 8 '12 at 22:34
3
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How can I use optional parameters in a T-SQL stored procedure?
...ry.AllNoTracking;
// partial and insensitive search
if (!string.IsNullOrWhiteSpace(filters.SomeName))
query = query.Where(item => item.SomeName.IndexOf(filters.SomeName, StringComparison.OrdinalIgnoreCase) != -1);
// filter by multiple selection
if ((...
Forced naming of parameters in Python
...ed.
Cons:
Checking occurs during run-time, not compile-time.
Use of an extra parameter (though not argument) and an additional check. Small performance degradation respect to regular functions.
Functionality is a hack without direct support by the language (see note below).
When calling the fun...
Cannot set boolean values in LocalStorage?
...
Firefox's implementation of Storage can only store strings, but on 2009 September, W3C modified the draft to accept any data. The implementation (still) isn't caught up yet (see Edit below).
So in your case the boolean is converted to a string.
As for why "true" != true, as...
Installation error: INSTALL_PARSE_FAILED_MANIFEST_MALFORMED?
...uld be another reason for this error. The attribute
android:taskAffinity="string"
Should always start with a dot, like:
android:taskAffinity=".string"
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Catch a thread's exception in the caller thread in Python
...rns to the main thread immediately when an exception is called
requires no extra user defined classes because it does not need:
an explicit Queue
to add an except else around your work thread
Source:
#!/usr/bin/env python3
import concurrent.futures
import time
def func_that_raises(do_raise)...
Convert UTC/GMT time to local time
...
For strings such as 2012-09-19 01:27:30.000, DateTime.Parse cannot tell what time zone the date and time are from.
DateTime has a Kind property, which can have one of three time zone options:
Unspecified
Local
Utc
NOTE If yo...
Find objects between two dates MongoDB
...lts were expected, but there was still one gotten. This is because a basic string comparison is done.
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Why malloc+memset is slower than calloc?
...en though it is already filled with zeroes. This is an enormous amount of extra work, and explains why calloc() is faster than malloc() and memset(). If end up using the memory anyway, calloc() is still faster than malloc() and memset() but the difference is not quite so ridiculous.
This doesn'...