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Check if a path represents a file or a folder
I need a valid method to check if a String represents a path for file or a directory. What are valid directory names in Android? As it comes out, folder names can contain '.' chars, so how does system understand whether there's a file or a folder?
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How do I fetch a single model in Backbone?
...e;
return base + (base.charAt(base.length - 1) == '/' ? '' : '/') + this.id;
},
This approach assumes that you have implemented controllers with the hashbang in your URL like so, http://www.mydomain.com/#clocks/123 , but it should work even if you haven't yet.
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Specify pane percentage in tmuxinator project
...63,103x10,105,63}]] (active)
The relevant section of the tmuxinator conf file should be:
- editor:
layout: b147,208x73,0,0[208x62,0,0,208x10,0,63{104x10,0,63,103x10,105,63}]
panes:
- vim
- #empty, will just run plain bash
- top
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Search and replace a line in a file in Python
I want to loop over the contents of a text file and do a search and replace on some lines and write the result back to the file. I could first load the whole file in memory and then write it back, but that probably is not the best way to do it.
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How to prevent custom views from losing state across screen orientation changes
...lass CustomView extends View {
private int stateToSave;
...
@Override
public Parcelable onSaveInstanceState() {
//begin boilerplate code that allows parent classes to save state
Parcelable superState = super.onSaveInstanceState();
SavedState ss = new SavedState(superState);
...
Read properties file outside JAR file
I have a JAR file where all my code is archived for running. I have to access a properties file which need to be changed/edited before each run. I want to keep the properties file in the same directory where the JAR file is. Is there anyway to tell Java to pick up the properties file from that direc...
How to create standard Borderless buttons (like in the design guideline mentioned)?
I was just checking the design guidelines and wondering about the borderless buttons.
I goggled and tried to find in the source but can't bring it together by myself.
Is this the normal Button widget but you add a custom (Android default) style?
How to make these borderless buttons (of course you ca...
Significance of -pthread flag when compiling
...ook for anything that starts with %{pthread:.
On my computer, this causes files to be compiled with -D_REENTRANT, and linked with -lpthread. On other platforms, this could differ. Use -pthread for most portability.
Using _REENTRANT, on GNU libc, changes the way some libc headers work. As a specifi...
Pandas dataframe get first row of each group
...
>>> df.groupby('id').first()
value
id
1 first
2 first
3 first
4 second
5 first
6 first
7 fourth
If you need id as column:
>>> df.groupby('id').first().reset_index()
id value
0 1 first
1 ...
Cast Int to enum in Java
...
Try MyEnum.values()[x] where x must be 0 or 1, i.e. a valid ordinal for that enum.
Note that in Java enums actually are classes (and enum values thus are objects) and thus you can't cast an int or even Integer to an enum.
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