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Django-Admin: CharField as TextArea

...eld( widget=forms.Textarea ) class Meta: model = Cab class Cab_Admin( admin.ModelAdmin ): form = CabModelForm The form attribute of admin.ModelAdmin is documented in the official Django documentation. Here is one place to look at. ...
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How does Rails keep track of which migrations have run for a database?

... Rails creates a table in your database called schema_migrations to keep track of which migrations have run. The table contains a single column, version. When Rails runs a migration, it takes the leading digits in the migration's file name and inserts a row for that "version",...
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Define variable to use with IN operator (T-SQL)

...T @sql = 'SELECT * FROM myTable WHERE myColumn in (' + @list + ')' exec sp_executeSQL @sql 3) A possible third option is table variables. If you have SQl Server 2005 you can use a table variable. If your on Sql Server 2008 you can even pass whole table variables in as a parameter to stored proced...
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mongoose vs mongodb (nodejs modules/extensions), which better? and why?

.... instead of doing something like mongooseInstace.model('MyCollection', { "_id": Number, "xyz": String }) it's better to do (even though the collection name is really MyCollection): mongooseInstace.model('mycollection', { "_id": Number, "xyz": String }) But honestly, it's really useful. The bigges...
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How to use/install gcc on Mac OS X 10.8 / Xcode 4.4

... Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn) Target: x86_64-apple-darwin14.0.0 Thread model: posix So am I using gcc? – Thomas Dec 14 '14 at 16:11 ...
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Multiple DB Contexts in the Same DB and Application in EF 6 and Code First Migrations

...lied to the target database. Applying explicit migrations: [201402032113124_InitialDatabaseCreation]. Applying explicit migration: 201402032113124_InitialDatabaseCreation. Running Seed method. PM> Update-Database -ConfigurationTypeName WebApplication3.Migrations.AnotherDbContext.Configuration Sp...
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Detect if a NumPy array contains at least one non-numeric value?

... numba import numpy as np NAN = float("nan") @numba.njit(nogil=True) def _any_nans(a): for x in a: if np.isnan(x): return True return False @numba.jit def any_nans(a): if not a.dtype.kind=='f': return False return _any_nans(a.flat) array1M = np.random.rand(1000000) assert...
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FileSystemWatcher Changed event is raised twice

...e "fixed" that problem using the following strategy in my delegate: // fsw_ is the FileSystemWatcher instance used by my application. private void OnDirectoryChanged(...) { try { fsw_.EnableRaisingEvents = false; /* do my stuff once asynchronously */ } finally { ...
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node.js: read a text file into an array. (Each line an item in the array.)

...ade by Windows, I had to split \r\n but that broke Macs; so a more robust; _array = string.replace(/\r\n/g,'\n').split('\n'); worked for both – Will Hancock May 5 '15 at 15:37 6 ...
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How to sort in mongoose?

...work in mongoose 2.3.0 :) // Find First 10 News Items News.find({ deal_id:deal._id // Search Filters }, ['type','date_added'], // Columns to Return { skip:0, // Starting Row limit:10, // Ending Row sort:{ date_added: -1 //Sort by Date Added DESC } }, function(err,allNews...