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Is there a better Windows Console Window? [closed]
... command line in Windows frustrating, primarily because the console window is wretched to use compared to terminal applications on linux and OS X such as "rxvt", "xterm", or "Terminal". Major complaints:
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Validating IPv4 addresses with regexp
...ase you are curious what was wrong with your original approach, the answer is that you need parentheses around your alternation otherwise the (\.|$) is only required if the number is less than 200.
'\b((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.|$)){4}\b'
^ ^
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PHP + MySQL transactions examples
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The idea I generally use when working with transactions looks like this (semi-pseudo-code):
try {
// First of all, let's begin a transaction
$db->beginTransaction();
// A set of queries; if one fails, an exception should be thrown
$db->query('first query');
$db-&...
Algorithm to return all combinations of k elements from n
... fit your particular situation better than how I describe.
Gray Codes
An issue that you will come across is of course memory and pretty quickly, you'll have problems by 20 elements in your set -- 20C3 = 1140. And if you want to iterate over the set it's best to use a modified gray code algorithm s...
AngularJS: Is there any way to determine which fields are making a form invalid?
... following code in an AngularJS application, inside of a controller,
which is called from an ng-submit function, which belongs to a form with name profileForm :
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Get specific object by id from array of objects in AngularJS
...ning some data I d like to access on my AngularJS website. Now what I want is to get only one object from the array. So I d like for example Item with id 1.
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Auto increment primary key in SQL Server Management Studio 2012
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Make sure that the Key column's datatype is int and then setting identity manually, as image shows
Or just run this code
-- ID is the name of the [to be] identity column
ALTER TABLE [yourTable] DROP COLUMN ID
ALTER TABLE [yourTable] ADD ID INT IDENTITY(1,1)
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How to use `string.startsWith()` method ignoring the case?
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Use toUpperCase() or toLowerCase() to standardise your string before testing it.
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MISCONF Redis is configured to save RDB snapshots
During writes to Redis ( SET foo bar ) I am getting the following error:
31 Answers
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namespaces for enum types - best practices
...ated types together. Sometimes, one has a name clash. Two solutions to this come to mind: use a namespace, or use 'larger' enum element names. Still, the namespace solution has two possible implementations: a dummy class with nested enum, or a full blown namespace.
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