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JavaScript OR (||) variable assignment explanation
... variable is falsy.
The boolean operators in JavaScript can return an operand, and not always a boolean result as in other languages.
The Logical OR operator (||) returns the value of its second operand, if the first one is falsy, otherwise the value of the first operand is returned.
For example:...
Path of assets in CSS files in Symfony 2
...il.png)
Willing that twig takes that CSS, recompiles it into web/css/a.css and make it point the image in /web/bundles/mynicebundle/images/devil.png
I have made a test with ALL possible (sane) combinations of the following:
@notation, relative notation
Parse with cssrewrite, without it
CSS image...
Passing command line arguments to R CMD BATCH
.... I am now at the point where I would like to pass an argument to the command, but am having some issues getting it working. If I do R CMD BATCH my_script.R blabla then blabla becomes the output file, rather than being interpreted as an argument available to the R script being executed.
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What is the difference between IEnumerator and IEnumerable? [duplicate]
What are the differences between IEnumerator and IEnumerable?
4 Answers
4
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Search and replace a line in a file in Python
I want to loop over the contents of a text file and do a search and replace on some lines and write the result back to the file. I could first load the whole file in memory and then write it back, but that probably is not the best way to do it.
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Is it possible to install iOS 6 SDK on Xcode 5?
...awhile since we updated; but they still accepted it after iOS 6 came out), and I currently build 10.5 apps with Xcode 5.
See How to point Xcode to an old SDK so it can be used as a "Base SDK"? for details on how to set it up. You can use my fix-xcode
script to link everything for you every time yo...
What good are SQL Server schemas?
I'm no beginner to using SQL databases, and in particular SQL Server. However, I've been primarily a SQL 2000 guy and I've always been confused by schemas in 2005+. Yes, I know the basic definition of a schema, but what are they really used for in a typical SQL Server deployment?
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What's the difference between “Layers” and “Tiers”?
What's the difference between "Layers" and "Tiers"?
13 Answers
13
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What is a “static” function in C?
...minology never uses the word "method"; that's Java terminology -- in C++ standard documents it is always called "member function" (see this answer or this glossary of C++ vs Java terms (e.g. C++ uses "data member" and Java uses "field", etc)).
– ShreevatsaR
Jan...
Is there a way to check if a file is in use?
... will try to access the file before it's been saved back to the filesystem and throw an error: "File in use by another process" .
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