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What is “above-the-fold content” in Google Pagespeed?
...rgeting smartphones, one for tablets, and one for larger desktops.
As for what CSS they are talking about, they are really intending all CSS needed to fully style whatever content is displayed ATF. To determine the load time of your ATF content, they are going to take a screen shot of the final ver...
Truststore and Keystore Definitions
What's the difference between a keystore and a truststore?
6 Answers
6
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Performance of static methods vs instance methods
..., or you're tangling up chains of object-passing in complicated ways to do what should naturally be instance.
Hence for number 1. When keeping state isn't a concern, it's always better to be static, because that's what static is for. It's not a performance concern, though there is an overall rule o...
How to concatenate two numbers in javascript?
...doing some math programming and needed to concatenate two numbers.
So the what if I needed to combine two numbers 17 and 29. Sure I can turn them into strings and concatenate them then turn the new string back into a number. That seems to work pretty well and I can go on with my code, but lets take...
git recover deleted file where no commit was made after the delete
...
The output tells you what you need to do. git reset HEAD cc.properties etc.
This will unstage the rm operation. After that, running a git status again will tell you that you need to do a git checkout -- cc.properties to get the file back.
Upd...
Missing Maven dependencies in Eclipse project
...e to do this for every project i create? Why doesnt it work automatically? What is the real problem?
– yeaaaahhhh..hamf hamf
Dec 11 '15 at 11:27
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What is the `zero` value for time.Time in Go?
...deed, if comparing whether the given value for time is nil or not, this is what should actually be used.
– Gaurav Ojha
Feb 2 '17 at 8:03
8
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
... is generally safer to use. But it is not portable - POSIX doesn't specify what it does and only some shells support it (beside bash, I heard ksh supports it too). For example, you can do
[[ -e $b ]]
to test whether a file exists. But with [, you have to quote $b, because it splits the argument ...
What does -> mean in Python function definitions?
...t also seems like this will be enforced in future versions as described in What about existing uses of annotations:
The fastest conceivable scheme would introduce silent deprecation of non-type-hint annotations in 3.6, full deprecation in 3.7, and declare type hints as the only allowed use of an...
Swift Beta performance: sorting arrays
...anges the semantics of the language, making it potentially unsafe. This is what Apple states in the Xcode 5.0 release notes:
A new optimization level -Ofast, available in LLVM, enables aggressive optimizations. -Ofast relaxes some conservative restrictions, mostly for floating-point operations, ...