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How to combine class and ID in CSS selector?
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There are differences between #header .callout and #header.callout in css.
Here is the "plain English" of #header .callout:
Select all elements with the class name callout that are descendants of the element with an ID of header.
And #header.callout means:
Select...
Copy file(s) from one project to another using post build event…VS2010
...sts but its not part of the target project meaning you have to click 'show all files' for it to appear in VS.
– BoundForGlory
Jun 12 '12 at 17:55
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Add Keypair to existing EC2 instance
...asier to start a new EC2 instance and throw away the bad one, but if you really want to fix your files, here is the approach that has worked for many:
Setup
Identify the original instance (A) and volume that contains the broken root EBS volume with the files you want to view and edit.
instance_a=...
Override devise registrations controller
... If you override a Devise controller like this, make sure you copy all views from app/views/devise/registrations to app/views/registrations/ (change for whichever controller you're overriding).
– Jamie Cobbett
Mar 21 '11 at 17:29
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Variable declaration in a C# switch statement [duplicate]
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I believe it has to do with the overall scope of the variable, it is a block level scope that is defined at the switch level.
Personally if you are setting a value to something inside a switch in your example for it to really be of any benefit, you would want ...
Pipe to/from the clipboard in Bash script
... Linux user who wants to put stuff in the X Windows primary clipboard. Usually, the clipboard you want to talk to has a utility that lets you talk to it.
In the case of X, there's xclip (and others). xclip -selection c will send data to the clipboard that works with Ctrl + C, Ctrl + V in most appl...
Replace multiple characters in one replace call
... just have to chain. However, you could add a prototype:
String.prototype.allReplace = function(obj) {
var retStr = this;
for (var x in obj) {
retStr = retStr.replace(new RegExp(x, 'g'), obj[x]);
}
return retStr;
};
console.log('aabbaabbcc'.allReplace({'a': 'h', 'b': 'o'}))...
Reorder / reset auto increment primary key
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You could drop the primary key column and re-create it. All the ids should then be reassigned in order.
However this is probably a bad idea in most situations. If you have other tables that have foreign keys to this table then it will definitely not work.
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Two way sync with rsync
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unison -auto dirA/ dirB/
unison -batch dirA/ dirB/ asks no questions at all, and writes to output how many files were ignored (because they conflicted).
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tag in Twitter Bootstrap not functioning correctly?
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<hr style="border-top: 1px dotted #000000 !important; " />
for all <hr /> in your page
<style>
hr {
border-top: 1px dotted #000000 !important;
margin-bottom:5px !important;
margin-top:5px !important;
}
</style>
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