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Xcode duplicate/delete line
...efault" and things should work. Tested on XCode 3.2 on Snow Leopard.
More information on Mac OS X key bindings: http://funkworks.blogspot.it/2013/03/republishing-of-wwwerasetotheleftcompos.html
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Rails 3: I want to list all paths defined in my rails application
...fficial way to see all the routes, by going to http://localhost:3000/rails/info/routes. Official docs: https://guides.rubyonrails.org/routing.html#listing-existing-routes
Though, it may be late, But I love the error page which displays all the routes. I usually try to go at /routes (or some bogus...
How do I display an alert dialog on Android?
...eight="wrap_content">
<TextView
android:id="@+id/dialog_info"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="10dp"
android:text="@string/dialog_text"/>
<LinearLayout
android:layout_width=...
When do you use map vs flatMap in RxJava?
...atMap can do magic work but map can't. For example, I want to get a user's info but I have to first get his id when user login in. Obviously I need two requests and they are in order.
Let's begin.
Observable<LoginResponse> login(String email, String password);
Observable<UserInfo> f...
Storing SHA1 hash values in MySQL
...
dev.mysql.com/doc/refman/5.5/en/… provides info on performance and storage when storing results of crypt functions
– Clocker
Apr 29 '16 at 15:36
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Is the creation of Java class files deterministic?
...u2 minor_version;
u2 major_version;
u2 constant_pool_count;
cp_info constant_pool[constant_pool_count-1];
u2 access_flags;
u2 this_class;
u2 super_class;
u2 interfaces_count;
u2 interfaces[interfaces_count];
u2 fields_count;
field_info fields[fields_count];
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Is it a good practice to use try-except-else in Python?
...efore-you-leap" constructs. For example, testing os.path.exists results in information that may be out-of-date by the time you use it. Likewise, Queue.full returns information that may be stale. The try-except-else style will produce more reliable code in these cases.
"It my understanding that...
How to stop IntelliJ truncating output when I run a build?
...h IntelliJ 11 (on the Mac at least), this setting is configured instead in Info.plist:
IDEA_HOME/Contents/Info.plist
There should already be a value there so just modify it instead of adding a new one.
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Is there a built-in function to print all the current properties and values of an object?
...', 'callstats', 'copyright', 'displayhook', 'dllhandle', 'exc_clear', 'exc_info'
'exc_type', 'excepthook', 'exec_prefix', 'executable', 'exit', 'getcheckinterval', 'getdefault
ncoding', 'getfilesystemencoding', 'getrecursionlimit', 'getrefcount', 'getwindowsversion', 'he
version', 'maxint', 'maxuni...
Convert column classes in data.table
...f Matt's comments at https://stackoverflow.com/a/33000778/4241780 for more info.
Edit.
As noted by Espen and in help(set), j may be "Column name(s) (character) or number(s) (integer) to be assigned value when column(s) already exist". So names_factors <- c(1L, 3L) will also work.
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