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How to run a shell script on a Unix console or Mac terminal?
... Then, the script is passed to the program (as second argument) along with all the arguments you gave the script as subsequent arguments.
That means every script that is executable should have a hashbang. If it doesn't, you're not telling the kernel what it is, and therefore the kernel doesn't kno...
Is an anchor tag without the href attribute safe?
...on.)
A placeholder link is also useful in cases where you want to dynamically set the destination of the link via JavaScript at runtime. You simply set the value of the href attribute, and the anchor tag becomes clickable.
See also:
https://stackoverflow.com/a/10510353/19112
http://www.html5in...
Android screen size HDPI, LDPI, MDPI [duplicate]
I have a background that I need fit in all screen sizes. I have three folders, hdpi , ldpi and mdpi for drawables, but in the emulator there isn't any referense to what resolution hdpi is and what mdpi and ldpi are.
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Bootstrap: How do I identify the Bootstrap version?
I want to update Bootstrap on a site, but I don't know the installed version.
11 Answers
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Problems with contenttypes when loading a fixture in Django
...ill use a more durable representation of foreign keys. In django they are called "natural keys". For example:
Permission.codename is used in favour of Permission.id
User.username is used in favour of User.id
Read more: natural keys section in "serializing django objects"
Some other useful argum...
$.getJSON returning cached data in IE8
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Just to let you know, Firefox and Chrome consider all Ajax request as non-cachable. IE (all versions) treat Ajax call just as other web request. That's why you see this behavior.
How to force IE to download data at each request:
As you said, use 'cache' or 'nocache' option...
Get the first item from an iterable that matches a condition
...ment against next (in that answer) is that you must handle an exception; really ?
– Abraham TS
Jan 24 '18 at 23:34
My ...
Remove Safari/Chrome textinput/textarea glow
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Edit (11 years later): Don't do this unless you're going to provide a fallback to indicate which element is active. Otherwise, this harms accessibility as it essentially removes the indication showing which element in a document has focus. Imagine being a keyboard user and not really knowing wha...
How to remove a file from the index in git?
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This also works great if e.g. you accidentally checked in some build intermediates or local configuration files that didn't make it into your .gitignore; use git rm --cached to remove them from the repo, add the relevant files or directories to .gitignore, stage and ...
How does “do something OR DIE()” work in PHP?
...ngerous, because you can have statements that you think get executed but really don't, and that's not as obvious as if you had an if block.
– Petruza
Aug 7 '09 at 15:34
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