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Why can't variable names start with numbers?
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It's a convention now, but it started out as a technical requirement.
In the old days, parsers of languages such as FORTRAN or BASIC did not require the uses of spaces. So, basically, the following are identical:
10 V1=100
20 PRINT V1
and
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Does Django scale? [closed]
...ites at djangosites.org. Going through the lists and picking some that I know have decent traffic we see:
Instagram: What Powers Instagram: Hundreds of Instances, Dozens of Technologies.
Pinterest: Alexa rank 37 (21.4.2015) and 70 Million users in 2013
Bitbucket: 200TB of Code and 2.500.000 Users...
Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after
...stalled Visual Studio 2012 Release Preview, and it appears to be fine, but now when I try to use Visual Studio 2010 to compile C++ projects, I get the following error message:
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Interfaces — What's the point?
...e is an IPizza you can use IPizza wherever you handle an instance of an unknown pizza type. Any instance whose type inherits from IPizza is guaranteed to be orderable, as it has an Order() method.
Python is not statically-typed, therefore types are kept and looked up at runtime. So you can try call...
accepting HTTPS connections with self-signed certificates
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Create the keystore
Download the BouncyCastle Provider and store it to a known location.
Also ensure that you can invoke the keytool command (usually located under the bin folder of your JRE installation).
Now import the obtained certs (don’t import the endpoint cert) into a BouncyCastle formatte...
How to deal with SettingWithCopyWarning in Pandas?
I just upgraded my Pandas from 0.11 to 0.13.0rc1. Now, the application is popping out many new warnings. One of them like this:
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How to build a jar using maven, ignoring test results? [duplicate]
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Anyone know why "-Dmaven.test.error.ignore=true" is not being used anymore? I finding the need to not ignore actual failures, but ignore errors (which may not actually cause the test to "fail") in some cases. Is there any way to di...
Stacked Tabs in Bootstrap 3
...the official Bootstrap documentation as to how you should be handling this now under JavaScript / Tabs. See also, this tutorial on how to use the Bootstrap 3 setup properly to do vertical tabs. tutsme-webdesign.info/bootstrap-3-toggable-tabs-and-pills
– Neil Monroe
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Cross cutting concern example
...presenting single and specific functionality for primary requirements are known as core concerns.
OR
Primary functionlity of the system is knows as core concerns.
For example: Business logic
The concerns representing functionalities for secondary requirements are referred to as crosscutting concerns...
Function that creates a timestamp in c#
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//Find unix timestamp (seconds since 01/01/1970)
long ticks = DateTime.UtcNow.Ticks - DateTime.Parse("01/01/1970 00:00:00").Ticks;
ticks /= 10000000; //Convert windows ticks to seconds
timestamp = ticks.ToString();
Adjusting the denominator allows you to choose your level of precision
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