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SQL Data Reader - handling Null column values
I'm using a SQLdatareader to build POCOs from a database. The code works except when it encounters a null value in the database. For example, if the FirstName column in the database contains a null value, an exception is thrown.
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Regex expressions in Java, \\s vs. \\s+
... regular expression quantifiers, and they perform matches like this (taken from the documentation):
Greedy quantifiers
X? X, once or not at all
X* X, zero or more times
X+ X, one or more times
X{n} X, exactly n times
X{n,} X, at least n times
X{n,m} X, at least n but not more than m times
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What is “Linting”?
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Cite from wikipedia - “The term was derived from the name of the undesirable bits of fiber and fluff found in sheep's wool.”
– tan9
Jul 21 '16 at 5:39
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Finding all possible permutations of a given string in python
I have a string. I want to generate all permutations from that string, by changing the order of characters in it. For example, say:
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Hash and salt passwords in C#
...o its string representation you can use Convert.ToBase64String and Convert.FromBase64String to convert it back.
You should note that you cannot use the equality operator on byte arrays, it checks references and so you should simply loop through both arrays checking each byte thus
public static boo...
What does 'require: false' in Gemfile mean?
...:require => false these particular gems and explicitly require "thegem" from the rake task. This would then save memory in the main app processes and startup time etc. App performance, however, should not be affected even if you require these additional gems in every process.
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Unable to set data attribute using jQuery Data() API
...iginal answer below doesn't seem to work any more.
Updated answer
Again, from the .data() documentation
The treatment of attributes with embedded dashes was changed in jQuery 1.6 to conform to the W3C HTML5 specification.
So for <div data-role="page"></div> the following is true ...
The name does not exist in the namespace error in XAML
...roperties
A new dialog is opened, try to change the project configurations from Debug to Release or vice versa.
After that, re-build your solution. It can solve your problem.
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SSL certificate rejected trying to access GitHub over HTTPS behind firewall
... a tool called corkscrew. This is available for both CygWin (through setup from the cygwin homepage) and Linux using your favorite packaging tool. For MacOSX it is available from macports and brew at least.
The commandline is as follows :
$ corkscrew <proxyhost> <proxyport> <targeth...
Renaming branches remotely in Git
..._branch new_branch
git push -u origin new_branch
To remove an old branch from remote:
git push origin :old_branch
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