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How do I manually create a file with a . (dot) prefix in Windows? For example, .htaccess
....htaccess file manually and discovered it seems impossible through the Windows UI. I get a "you must type a filename." message. There has to be a way to create files with . as a prefix in Windows.
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How do I Convert DateTime.now to UTC in Ruby?
If I have d = DateTime.now , how do I convert 'd' into UTC (with the appropriate date)?
7 Answers
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How to call a JavaScript function from PHP?
...is nothing more complicated than a big string.
All the fancy work you can do with language like PHP - reading from databases and web services and all that - the ultimate end goal is the exact same basic principle: generate a string of HTML*.
Your big HTML string doesn't become anything more specia...
Microsecond timing in JavaScript
...nd resolution timing data to script: the W3C High Resolution Timer, aka window.performance.now().
now() is better than the traditional Date.getTime() in two important ways:
now() is a double with submillisecond resolution that represents the number of milliseconds since the start of the page's na...
Unresolved external symbol in object files
...dio I got an unresolved external symbol error
and I've got no idea what to do. I don't know what's wrong.
Could you please decipher me? Where should I be looking for what kind of errors?
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How do I copy a version of a single file from one git branch to another?
...r files and directories
overwrites the file myfile.txt and mydir
Wildcards don't work, but relative paths do
Multiple paths can be specified
an alternative:
git show commit_id:path/to/file > path/to/file
share
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Sort a Custom Class List
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One way to do this is with a delegate
List<cTag> week = new List<cTag>();
// add some stuff to the list
// now sort
week.Sort(delegate(cTag c1, cTag c2) { return c1.date.CompareTo(c2.date); });
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Optimise PostgreSQL for fast testing
...s. Even minor releases should always be followed; see the version policy.
Don'ts
Do NOT put a tablespace on a RAMdisk or other non-durable storage.
If you lose a tablespace the whole database may be damaged and hard to use without significant work. There's very little advantage to this compared t...
Devise - How do I forbid certain users from signing in?
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Do it like this:
Create a column called is_active for the User model.
Then add the code below to the User model:
class User < ActiveRecord::Base
#this method is called by devise to check for "active" state of the mode...
How to check if a process id (PID) exists
In a bash script, I want to do the following (in pseudo-code):
10 Answers
10
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