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How can I switch my git repository to a particular commit
...anch (locally):
With the commit hash (or part of it)
git checkout -b new_branch 6e559cb
or to go back 4 commits from HEAD
git checkout -b new_branch HEAD~4
Once your new branch is created (locally), you might want to replicate this change on a remote of the same name: How can I push my chang...
Is there a performance gain in using single quotes vs double quotes in ruby?
...
$ ruby -v
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.0.0]
$ cat benchmark_quotes.rb
# As of Ruby 1.9 Benchmark must be required
require 'benchmark'
n = 1000000
Benchmark.bm(15) do |x|
x.report("assign single") { n.times do; c = 'a string'; end}
x.report("assi...
Set a default parameter value for a JavaScript function
...S2015, default parameters are in the language specification.
function read_file(file, delete_after = false) {
// Code
}
just works.
Reference: Default Parameters - MDN
Default function parameters allow formal parameters to be initialized with default values if no value or undefined is pass...
Allow user to select camera or gallery for image
... final Intent captureIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
final PackageManager packageManager = getPackageManager();
final List<ResolveInfo> listCam = packageManager.queryIntentActivities(captureIntent, 0);
for(ResolveInfo res : listCam) {
...
Add a CSS class to
...
<%= f.submit 'name of button here', :class => 'submit_class_name_here' %>
This should do. If you're getting an error, chances are that you're not supplying the name.
Alternatively, you can style the button without a class:
form#form_id_here input[type=submit]
Try that,...
Twitter image encoding challenge [closed]
...3, 10, 11, 1000, 1000. I also commented out the first definition of number_assigned and codes, and uncommented out the last definitions of them to select the CJK Unified character set.
share
...
Skip Git commit hooks
...k folder elsewhere, and setup a post-merge hook (git-scm.com/docs/githooks#_post_merge) which will detect if the pull affect the repo hook folder, and will propose to copy its content to your local hook folder (outside of the repo): that way, you can at least control if you want your hooks overridde...
Could not load file or assembly 'System.Web.Mvc'
...heck the MVC related check boxes in the following dialog.
This creates a '_bin_deployableAssemblies' folder in the project which contains all the .dll files mentioned in other answers. I believe these get copied to the bin folder when creating a deployment package.
...
How to configure PostgreSQL to accept all incoming connections
...s regardless of the source IP address. How can this be configured in the pg_hba.conf file? I'm using postgreSQL version 8.4.
...
How to properly seed random number generator
... a set of distinct and deterministic random sequences).
import (
crypto_rand "crypto/rand"
"encoding/binary"
math_rand "math/rand"
)
func init() {
var b [8]byte
_, err := crypto_rand.Read(b[:])
if err != nil {
panic("cannot seed math/rand package with cryptographical...