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Django 1.7 - makemigrations not detecting changes
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This is kind of a stupid mistake to make, but having an extra comma at the end of the field declaration line in the model class, makes the line have no effect.
It happens when you copy paste the def. from the migration, which itself is defined as an array.
Though maybe this wou...
How can I implement a tree in Python?
...ibility with Py3. Here we're talking about Py3 code. There's no need to do extra, legacy typing.
– cfi
Sep 27 '12 at 10:45
13
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extract part of a string using bash/cut/split
I have a string like this:
5 Answers
5
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display: inline-block extra margin [duplicate]
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The word-spacing trick may work for fixing the horizontal extra margin, but it does not fix (in any browser that i've tried) the vertical margin between two inline-block elements that are on separate lines, one below the other. Is there a similar fix for that?
–...
How to control the line spacing in UILabel
...Style = NSMutableParagraphStyle()
paragraphStyle.lineSpacing = 40
let attrString = NSMutableAttributedString(string: "Swift Answer")
attrString.addAttribute(.paragraphStyle, value:paragraphStyle, range:NSMakeRange(0, attrString.length))
var tableViewCell = NSTableCellView()
tableViewCell.textField...
Why would someone use WHERE 1=1 AND in a SQL clause?
...;conditions> in a SQL clause (Either SQL obtained through concatenated strings, either view definition)
19 Answers
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How do you know when to use fold-left and when to use fold-right?
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The extra stack frames will definitely make a difference for large lists. If your stack frames exceed the size of the processor's cache, then your cache-misses are going to affect performance. Unless the list is doubly-linked, it...
Could not locate Gemfile
...ne-2.2.2-0/apps/redmine
bash-4.2$ cd htdocs/
bash-4.2$ ls
app config db extra Gemfile lib plugins Rakefile script tmp
bin config.ru doc files Gemfile.lock log public README.rdoc test vendor
bash-4.2$ cd plugins/
bash-4.2$ bundle install
Using rake (0.9.2.2)
Using i18n (0.6....
How to change collation of database, table, column?
...as easy to run in MySQL Workbench, copy the rows and paste. I just did the extra step to run the above for information_schema.tables and the code in concat ALTER TABLE 'schema'.'table' CHARACTER SET = utf8mb4 , COLLATE = utf8mb4_bin ;
– Pierre
Jan 31 '19 at 16:...
Why does the indexing start with zero in 'C'?
...s the operand of the sizeof operator, or the unary & operator, or is a string literal used to initialize an array, an expression that has type "array of type" is converted to an expression with type "pointer to type" that points to the initial element of the array object and is not an lvalue. If...