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How to run travis-ci locally
...This can be very useful if you're trying to troubleshoot a travis-ci build by reproducing it locally. This is taken from Travis CI's documentation.
Troubleshooting Locally in a Docker Image
If you're having trouble tracking down the exact problem in a build it often helps to run the build locally...
Best content type to serve JSONP?
... mismatch with "text/javascript" that specified in script tag (or expected by default for some reason)
– Ievgen Lukash
Mar 26 '13 at 21:18
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.NET HashTable Vs Dictionary - Can the Dictionary be as fast?
... are targeting for .NET Framework 2.0+. It's effectively rendered obsolete by Dictionary<TKey, TValue>.
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Convert HTML to NSAttributedString in iOS
... for the HTML rendering. Take a look at the DTCoreText library recommended by Ingve.
– TJez
Nov 12 '13 at 18:27
2
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How to Correctly handle Weak Self in Swift Blocks with Arguments
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I think the comment by Chris Lattner in above link is just about not naming the variable as self (in backticks). Name it something else such as nonOptionalSelf and it will be fine.
– OutOnAWeekend
Apr 9 '17...
super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
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Also, if you can't change class B, you can fix the error by using multiple inheritance.
class B:
def meth(self, arg):
print arg
class C(B, object):
def meth(self, arg):
super(C, self).meth(arg)
print C().meth(1)
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What's the difference between a temp table and table variable in SQL Server?
...CREATE INDEXes, etc. If you have large amounts of data for which accessing by index will be faster then temporary tables are a good option.
Table variables can have indexes by using PRIMARY KEY or UNIQUE constraints. (If you want a non-unique index just include the primary key column as the last col...
What's the difference between an element and a node in XML?
...Section, EntityReference
Notation -- no
children
The XML Infoset (used by XPath) has a smaller set of nodes:
The Document Information Item
Element Information Items
Attribute Information Items
Processing Instruction Information Items
Unexpanded Entity Reference Information Items...
Comparison of DES, Triple DES, AES, blowfish encryption for data
...bit blocks, which raises some potential issues when encrypting several gigabytes of data with the same key (a gigabyte is not that big nowadays).
3DES is a trick to reuse DES implementations, by cascading three instances of DES (with distinct keys). 3DES is believed to be secure up to at least "2112...
What does extern inline do?
I understand that inline by itself is a suggestion to the compiler, and at its discretion it may or may not inline the function, and it will also produce linkable object code.
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