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How to define a preprocessor symbol in Xcode
...is:
constant_1=VALUE constant_2=VALUE
Note that you don't need the '='s if you just want to #define a symbol, rather than giving it a value (for #ifdef statements)
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Javascript object Vs JSON
...est-of-drawers in the post, so you dismantle it (read, stringify it). It's now useless in terms of furniture. It is now JSON. Its in flat pack form.
{"color":"red","numberOfDrawers":4}
When you receive it, you then rebuild the chest-of-drawers (read, parse it). Its now back in an object form.
Th...
Converting a Pandas GroupBy output from Series to DataFrame
...tland"] } )
g1 = df1.groupby( [ "Name", "City"] ).count().reset_index()
Now you have your new dataframe in g1:
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OnCreateOptionsMenu() not called in Fragment
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If you are using Toolbar in your Activity's layout, make sure that you call setSupportActionBar(your_toolbar) in your Activity. Otherwise setHasOptionsMenu has no effect.
– artkoenig
Feb...
how to “reimport” module to python then code be changed after import
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Note that if you did from foo import * or from foo import bar, the symbol foo doesn't get defined. You need to import sys then reload(sys.modules['foo']) or perhaps reload(sys.modules[bar.__module__])
– drevicko
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How to log something in Rails in an independent log file?
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Anyone know how to create folders to each log?
– Mauro Dias
Feb 26 '13 at 17:59
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What is the actual use of Class.forName(“oracle.jdbc.driver.OracleDriver”) while connecting to a dat
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@Pacerier incorrect assumption. JDBC does not know which driver you want to load, so there's nothing in JDBC (which is driver-agnostic) that knows to refer to the driver class. So you need something which triggers a class load. I suppose that a static method would work in...
Vagrant stuck connection timeout retrying
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@jasa If its a vagrant vm, there's a good chance the username and password are both vagrant
– Kiee
Oct 2 '14 at 6:38
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How to change the Push and Pop animations in a navigation based app
...t work, is explained in this post.
Just to repeat:
Surprisingly: with iOS, if you want the simplest, most common, everyday transitions (such as an ordinary slide), you do have to all the work of implementing a full custom transition.
Here's how to do it ...
1. You need a custom UIViewControllerAnima...
What does the red exclamation point icon in Eclipse mean?
...her problems in a project. The Package Explorer and Project Explorer views now show a new decorator on Java projects and working sets that contain build path errors:
The concrete errors can be seen in the Problems view, and if you open the view menu and select Group By > Java Problem Type, the...