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How to work around the lack of transactions in MongoDB?
...ion so that we can update the post collection and comments collection.
So what are our approaches that we can take in MongoDB to overcome a lack of transactions?
restructure - restructure the code, so that we're working within a single document and taking advantage of the atomic operations that w...
Will the base class constructor be automatically called?
... be 2? It seems like the base class's constructor will be called no matter what. If so, why do we need to call base at the end sometimes?
...
Why does document.querySelectorAll return a StaticNodeList rather than a real Array?
...avaScript language and
use them to the best of its ability...
I do somewhat empathize. If the DOM was written specifically with JavaScript features in mind it would be a lot less awkward and more intuitive to use. At the same time I do understand the W3C's design decisions.
...
How to initialize an array in one step using Ruby?
...
array = %w[ 1 2 3 ]
You can also pass a block to Array.new to determine what the value for each entry will be:
array = Array.new(3) { |i| (i+1).to_s }
Finally, although it doesn't produce the same array of three strings as the other answers above, note also that you can use enumerators in Ruby...
Get notified when UITableView has finished asking for data?
... doesn't end before the table has finish reload its data." Can you clarify what you mean by that? I find that reloadData returns immediately and I see "END reloadData" before the cells are actually reloaded (i.e. before the UITableViewDataSource methods are called). My experimentation demonstrates t...
How to empty (“truncate”) a file on linux that already exists and is protected in someway?
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What's the difference between > file and >| file?
– Will
Jul 28 '14 at 2:27
...
What is the difference between Class.this and this in Java
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Post as a guest
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
...erly, and the universe according to google includes numerous references to what a PITA it is, and an inordinate number of guides that seem to be outdated. Given that this site is intended to address these sorts of problems, and I know that I'm going to need a reference to the solution in future, I'...
Git commits are duplicated in the same branch after doing a rebase
... history of pushed repos is generally a Really Bad Idea™ unless you know what you're doing. In this simple case, the issue could be solved by doing a force push from dev to origin/dev after the rebase and notifying anyone else working off of origin/dev that they're probably about to have a bad day...
Cordova: start specific iOS emulator image
...
To find out what are the simulator images available you can use to list them
$ cordova emulate ios --list
Available iOS Virtual Devices:
iPhone-4s, 9.3
iPhone-5, 9.3
iPhone-5s, 9.3
iPhone-6, 9.3
iPhone-6-Plus, 9.3
...