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Choosing a file in Python with simple Dialog
...t askopenfilename
Tk().withdraw() # we don't want a full GUI, so keep the root window from appearing
filename = askopenfilename() # show an "Open" dialog box and return the path to the selected file
print(filename)
Done!
s...
Recursively list files in Java
...ic class Filewalker {
public void walk( String path ) {
File root = new File( path );
File[] list = root.listFiles();
if (list == null) return;
for ( File f : list ) {
if ( f.isDirectory() ) {
walk( f.getAbsolutePath() );
...
.gitignore all the .DS_Store files in every folder and subfolder
...he .gitignore file, but it seems that it is only ignoring .DS_Store in the root directory, not in every folder and subfolder.
...
Update multiple columns in SQL
...
Works on MySQL.
– João Farias
Dec 16 '16 at 19:44
add a comment
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Are multiple `.gitignore`s frowned on?
...s, it seems it would be simplest to just have one .gitignore file at the root of the repo than various ones throughout. Is there a standard best practice on this or some analysis online of when one approach is better than the other?
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“Insufficient Storage Available” even there is lot of free space in device memory
...o the same thing if you get the "invalid MMI" error when you try this on a rooted, modded phone.
– ChrisC
Nov 14 '13 at 1:52
3
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Wrong Manifest.mf in IntelliJ IDEA created .jar
... This was not working for me, I had to move the Mainfest file to the root of the project.
– racs
Jan 13 '16 at 20:57
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Definition of a Balanced Tree
...:
People define the height of an empty tree to be (-1).
For example, root's left child is null:
A (Height = 2)
/ \
(height =-1) B (Height = 1) <-- Unbalanced because 1-(-1)=2 >1
\
C (Height = 0)
Two more exam...
Difference between rake db:migrate db:reset and db:schema:load
...ord/Rakefile
which has these tasks.
namespace :db do
task create: ["db:mysql:build", "db:postgresql:build"]
task drop: ["db:mysql:drop", "db:postgresql:drop"]
end
This may not answer your question but could give you some insight into go ahead and look the source over especially the rake file...
What is global::?
...
It's a sometime-necessary prefix indicating the root namespace.
It's often added to generated code to avoid name clashes with user code.
For example, imagine you had a class called System, but then you wanted to use System.String. You could use global::System.String to d...