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Recursive directory listing in DOS
...your directories contain lots of files, then this command will scroll them by on the screen too quickly to read. I think it is best to pipe the output of this command to a txt file you can read at your own speed. For example (assuming c:\temp directory is created): dir C:\ /s > C:\temp\CDirectory...
In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...entation explains:
__autoreleasing to denote arguments that are passed by reference (id *) and are autoreleased on return.
All of this is very well explained in the ARC transition guide.
In your NSError example, the declaration means __strong, implicitly:
NSError * e = nil;
Will be transfo...
getResourceAsStream() vs FileInputStream
...th" respectively). This way you can grab them with help of the ClassLoader by ClassLoader#getResource() or ClassLoader#getResourceAsStream(). It is able to locate files relative to the "root" of the classpath, as you by coincidence figured out. In webapplications (or any other application which use...
How to upgrade rubygems
...
Install rubygems-update
gem install rubygems-update
update_rubygems
gem update --system
run this commands as root or use sudo.
share
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How to remove items from a list while iterating?
...ant to remove:
somelist = [x for x in somelist if not determine(x)]
Or, by assigning to the slice somelist[:], you can mutate the existing list to contain only the items you want:
somelist[:] = [x for x in somelist if not determine(x)]
This approach could be useful if there are other reference...
Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
...;
SupportMapFragment mapFragment = (SupportMapFragment) fm.findFragmentByTag("mapFragment");
if (mapFragment == null) {
mapFragment = new SupportMapFragment();
FragmentTransaction ft = fm.beginTransaction();
ft.add(R.id.mapFragmentContainer, mapFragment, "mapFragment"...
npm install private github repositories by dependency in package.json
I'm trying to install github private repository by npm that includes other private github repositories as dependency.
10 An...
Configure Flask dev server to be visible across the network
...on deploying for correct solutions.
Add a parameter to your app.run(). By default it runs on localhost, change it to app.run(host= '0.0.0.0') to run on your machines IP address.
Documented on the Flask site under "Externally Visible Server" on the Quickstart page:
Externally Visible Server
...
Indenting code in Sublime text 2?
...can find it in Edit → Line → Reindent, but it does not have a shortcut by default.
You can add a shortcut by going to the menu Preferences → Keybindings → User, then add there:
{ "keys": ["f12"], "command": "reindent", "args": {"single_line": false} }
(example of using the F12 key for t...
What is this 'Waiting for Background operation' in Visual Studio 2012?
...
It is a very generic diagnostic. It is triggered by COM, heavily used in Visual Studio to implement extensibility. The underlying trigger is the IMessageFilter interface. The trigger occurs when COM marshals a method call to another thread and that call doesn't complete f...