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C# Test if user has write access to a folder
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I appreciate that this is a little late in the day for this post, but you might find this bit of code useful.
string path = @"c:\temp";
string NtAccountName = @"MyDomain\MyUserOrGroup";
DirectoryInfo di = new DirectoryInfo(pa...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
I am working on an internal web application at work. In IE10 the requests work fine, but in Chrome all the AJAX requests (which there are many) are sent using OPTIONS instead of whatever defined method I give it. Technically my requests are "cross domain." The site is served on localhost:6120 and th...
How to get the device's IMEI/ESN programmatically in android?
...ing said, be careful about doing this. Not only will users wonder why your application is accessing their telephony stack, it might be difficult to migrate data over if the user gets a new device.
Update: As mentioned in the comments below, this is not a secure way to authenticate users, and raises...
WCF service startup error “This collection already contains an address with scheme http”
I built a web application containing a WCF service contract and a Silverlight control which makes calls to that WCF service. On my development and test servers it works great.
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Determining the size of an Android view at runtime
I am trying to apply an animation to a view in my Android app after my activity is created. To do this, I need to determine the current size of the view, and then set up an animation to scale from the current size to the new size. This part must be done at runtime, since the view scales to differe...
How can I specify a local gem in my Gemfile?
...is is extremely helpful if you're developing two gems or a gem and a rails app side-by-side.
Note though, that this only works when you're already using git for your dependency, for example:
# In Gemfile
gem 'rack', :github => 'rack/rack', :branch => 'master'
# In your terminal
$ bundle con...
Postgres - FATAL: database files are incompatible with server
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and then you'll need to rake db:setup and rake db:migrate from your Rails app to get setup again.
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Is file append atomic in UNIX?
In general, what can we take for granted when we append to a file in UNIX from multiple processes? Is it possible to lose data (one process overwriting the other's changes)? Is it possible for data to get mangled? (For example, each process is appending one line per append to a log file, is it po...
Docker can't connect to docker daemon
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See: Get started with Docker Machine and a local VM.
Install Docker.app on macOS
Alternatively to above solution, you can install a Docker app by:
brew cask install docker
Check this post for more details. See also: Cannot connect to the Docker daemon on macOS
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“Invalid signature file” when attempting to run a .jar
...ar as
is and just add it as a dependency in the manifest file for your
application jar file.
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