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Scope of sessionStorage and localStorage
I read some documentation on sessionStorage and localStorage, but I don't understand what the scope is: the domain, a specific page?
...
How to paste yanked text into the Vim command line
...nix) or NUL (Windows), you can write to it but it's discarded and when you read from it, it is always empty),
- (small delete register),
/ (search pattern register, updated when you look for text with /, ?, * or # for instance; you can also write to it to dynamically change the search pattern),
: (s...
Catch Ctrl-C in C
... rules that need to be obeyed in order not to break something else. Please read the comments below.
The sample code from above:
#include <stdio.h>
#include <signal.h>
#include <stdlib.h>
void INThandler(int);
int main(void)
{
signal(SIGINT, INThandler);
while ...
How do I map lists of nested objects with Dapper
...(m => m.LocationId).Distinct()}
);
Map it all up
Leaving this to the reader, you create a few maps and iterate through your courses populating with the locations.
Caveat the in trick will work if you have less than 2100 lookups (Sql Server), if you have more you probably want to amend the qu...
unique object identifier in javascript
...s a __objectID__ property, and by defining it as a hidden (non-enumerable) read-only property if not.
So it is safe against any attempt to change or redefine the read-only obj.__objectID__ property after it has been defined, and consistently throws a nice error instead of silently fail.
Finally, i...
How can I set the WiX installer version to the current build version?
...
I did this in one of my projects by writing a preprocessor extension to read the file version from my executable. So the WiX file looks something like:
<?define ProductName="$(fileVersion.ProductName($(var.MyApp.TargetPath)))" ?>
<?define CompanyName="$(fileVersion.CompanyName($(var.My...
Java NIO FileChannel versus FileOutputstream performance / usefulness
...e use nio FileChannel versus normal FileInputStream/FileOuputStream to read and write files to filesystem. I observed that on my machine both perform at the same level, also many times the FileChannel way is slower. Can I please know more details comparing these two methods. Here is the code I...
How would Git handle a SHA-1 collision on a blob?
...lucky: one of the blobs ends up having the same SHA-1 as another that is already in your repository. Question is, how would Git handle this? Simply fail? Find a way to link the two blobs and check which one is needed according to the context?
...
How do I make Git ignore file mode (chmod) changes?
...refully. This setting only covers the executable bit of mode and never the read/write bits. In many cases you think you need this setting because you did something like chmod -R 777, making all your files executable. But in most projects most files don't need and should not be executable for securit...
What is the idiomatic Go equivalent of C's ternary operator?
...anywhere else in the language for some syntactic sugar that is a potential readability footgun. Go is designed for reading, and while most C-developers may be familiar enough with ternaries to be able to read them quickly enough, this is not a universal truth, and things go really south when people ...