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What is the difference between “instantiated” and “initialized”?
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Value vis-a-vis Reference Types
Variables in C# are in 1 of 2 groups. Value types or Reference types. Types like int and DateTime are value types. In contrast, any class you create is a reference type. C# strings are also a reference type. Most things in the .NET framework are reference...
MySQLDump one INSERT statement for each data row
... turn off several default settings. See the discussion of mysqldump option groups for information about selectively enabling or disabling a subset of the options affected by --opt.
--skip-extended-insert
Turn off extended-insert
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How Do I Document Packages in Java?
...le comment for a package:
com/foo/package-info.java:
/**
* com.foo is a group of bar utils for operating on foo things.
*/
package com.foo;
//rest of the file is empty
Language specification for packages
share
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Rails Observer Alternatives for 4.0
...module back in to your class. Extracting class methods out to a module may group them by concern, but the class is still just as bloated.
– Steven Soroka
Mar 13 '14 at 16:18
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Allowed characters in Linux environment variable names
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From The Open Group:
These strings have the form
name=value; names shall not contain
the character '='. For values to be
portable across systems conforming to
IEEE Std 1003.1-2001, the value shall
be composed of characters fr...
Get button click inside UITableViewCell
...delegate = self;
cell.cellIndex = indexPath.row; // Set indexpath if its a grouped table.
And implement the delegate in table view controller:
- (void)didClickOnCellAtIndex:(NSInteger)cellIndex withData:(id)data
{
// Do additional actions as required.
NSLog(@"Cell at Index: %d clicked.\n ...
How do I calculate percentiles with python/numpy?
...aggregation function as well, e.g. to compute the tenth percentile of each group of a value column by key, use df.groupby('key')[['value']].agg(lambda g: np.percentile(g, 10))
– patricksurry
Nov 26 '13 at 17:25
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Using an image caption in Markdown Jekyll
...ekyll-figure is to add gem "jekyll-figure" to your Gemfile in your plugins group.
Then run bundle install from your terminal window.
1.2. Use jekyll-figure
Simply wrap your markdown in {% figure %} and {% endfigure %} tags.
You caption goes in the opening {% figure %} tag, and you can even style...
Long-held, incorrect programming assumptions [closed]
... made mistakes, and we publish crap papers. Well, except for some minority group of real geniuses...
– Hao Wooi Lim
May 25 '09 at 3:18
4
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URL Fragment and 302 redirects
...TTP specification. it is addressed in 2 issues of the IETF httpbis working group:
#6: Fragments allowed in Location
#43: Fragment combination / precedence during redirects
#6 allows fragments in the Location header. #43 says this:
I just tested this with various browsers.
Firefox and...