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How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?

Based on the examples from this page , I have the working and non-working code samples below. 14 Answers ...
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Amazon S3 boto - how to create a folder?

...olders in S3. S3 does not have folders, even though the management console and many tools do represent keys with slashes as such. See Working with Folders and read the part: "So the console uses object key names to present folders and hierarchy. In Amazon S3, you have only buckets and objects." ...
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What is HEAD in Git?

...ges to point to the new one. The current HEAD is local to each repository, and is therefore individual for each developer. – Greg Hewgill Feb 20 '10 at 23:04 ...
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How to run an EXE file in PowerShell with parameters with spaces and quotes

How do you run the following command in PowerShell? 19 Answers 19 ...
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Eclipse will not start and I haven't changed anything

...aven't updated anything for at least a month. I was just working normally and suddenly the menus were all blank, so I decided to restart eclipse. I clicked "close" and "ok" to save everything, but nothing happened, so I clicked close again and eclipse closed. I clicked on eclipse and the loading sc...
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When to use EntityManager.find() vs EntityManager.getReference() with JPA

...nager.getReference(LObj.getClass(), LObj.getId()) to get a database entity and then pass the returned object to be persisted in another table. ...
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How to play an android notification sound

...solution to this, I found an answer at How to play ringtone/alarm sound in Android try { Uri notification = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION); Ringtone r = RingtoneManager.getRingtone(getApplicationContext(), notification); r.play(); } catch (Exception e) ...
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Multiple submit buttons on HTML form – designate one button as default [duplicate]

...n; } #buttons input { float: right; } will effectively reverse the order and thus the "Next" button will be the value triggered by hitting enter. This kind of technique will cover many circumstances without having to resort to more hacky JavaScript methods. ...
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Where does mongodb stand in the CAP theorem?

... MongoDB is strongly consistent by default - if you do a write and then do a read, assuming the write was successful you will always be able to read the result of the write you just read. This is because MongoDB is a single-master system and all reads go to the primary by default. If y...
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Swift to Objective-C header not created in Xcode 6

... In Build Settings under Packaging, my Defines Module is set to Yes and I created a Product Module Name without spaces. The "*-Swift.h" is not generated by XCode 6. ??? – Loozie Jun 11 '14 at 20:27 ...