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Where are Docker images stored on the host machine?
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this was the old way of doing, now it has changed. Disregard this answer as of 2019
In the sp...
Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
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It is a quirk of the syntax for passing arrays to functions.
Actually it is not possible to pass an array in C. If you write syntax that looks like it should pass the array, what actually happens is that a pointer to the first element of the array is passed instead.
Since ...
How to encrypt String in Java
...o avoid this the majority of the internet uses GCM, and every time you see HTTPS they are probably using GCM. GCM signs the encrypted message with a hash and checks to verify that the message has not been changed using this signature.
I would avoid implementing GCM because of its complexity. You a...
Programmatically set the initial view controller using Storyboards
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For all the Swift lovers out there, here is the answer by @Travis translated into SWIFT:
Do w...
Is “IF” expensive?
...of for and while loops. Unconditional branches show up in infinite loops, function calls, function returns, break and continue statements, the infamous goto statement, and many more (these lists are far from exhaustive).
The branch target is another important issue. Most branches have a fixed bra...
Using Gulp to Concatenate and Uglify files
...ulp-rename'),
gp_uglify = require('gulp-uglify');
gulp.task('js-fef', function(){
return gulp.src(['file1.js', 'file2.js', 'file3.js'])
.pipe(gp_concat('concat.js'))
.pipe(gulp.dest('dist'))
.pipe(gp_rename('uglify.js'))
.pipe(gp_uglify())
.pipe(gulp....
Why aren't programs written in Assembly more often? [closed]
...has twice as many registers?
The converse of this question would be: What functionality do compilers provide?
I doubt you can/want to/should optimize your ASM better than gcc -O3 can.
share
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Check if application is on its first run [duplicate]
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The accepted answer doesn't differentiate between a first run and subsequent upgrades. Just se...
Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti
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You can create an extension method that will prevent the warning. The extension method can be ...
Checking if a double (or float) is NaN in C++
Is there an isnan() function?
21 Answers
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