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What are bitwise shift (bit-shift) operators and how do they work?
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@Mahn, you're reading it backwards from my intent. Substitute Y for X means to replace X with Y. Y is the substitute for X. So the shift is the substitute for the multiplication.
– Derek Park
Jan 2...
How do I call Objective-C code from Swift?
...ctName#>-Swift.h"
The file:<#YourProjectName#>-Swift.h should already be created automatically in your project, even if you can not see it.
Step 3: Use your class
MySwiftObject * myOb = [MySwiftObject new];
NSLog(@"MyOb.someProperty: %@", myOb.someProperty);
myOb.someProperty = @"Hello ...
How to convert FileInputStream to InputStream? [closed]
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You would typically first read from the input stream and then close it. You can wrap the FileInputStream in another InputStream (or Reader). It will be automatically closed when you close the wrapping stream/reader.
If this is a method returning an I...
What's the difference between and in servlet
...d, if a JSR-303 Provider is on the classpath
Adds support for support for reading and writing XML, if JAXB is on the classpath (HTTP message conversion with @RequestBody/@ResponseBody)
Adds support for reading and writing JSON, if Jackson is o n the classpath (along the same lines as #5)
contex...
How to shrink/purge ibdata1 file in MySQL
... that is not necessary nor possible to drop. It is in fact just a bunch of read-only views, not tables. And there are no files associated with the them, not even a database directory. The informations_schema is using the memory db-engine and is dropped and regenerated upon stop/restart of mysqld. Se...
Setting git parent pointer to a different parent
...the line of development.
If you're working with other people, and you've already pushed the commit in question public to where they've pulled it, modifying the commit is probably a Bad Idea™. This is due to #1, and thus the resulting confusion the other users' repositories will encounter when tryi...
Why is auto_ptr being deprecated?
...ct-ptr is stored in multiple data-structure and later accessed. Multiple threads, of course is another example.
unique_ptr : If all you are concerned is freeing memory, and the access to object is SEQUENTIAL, then go for unique_ptr.
By SEQUENTIAL, I mean, at any point object will be accessed from ...
High performance fuzzy string comparison in Python, use Levenshtein or difflib [closed]
...tance
with codecs.open("titles.tsv","r","utf-8") as f:
title_list = f.read().split("\n")[:-1]
for row in title_list:
sr = row.lower().split("\t")
diffl = difflib.SequenceMatcher(None, sr[3], sr[4]).ratio()
lev = Levenshtein.ratio(sr[3], sr[4])
...
What is the best way to count “find” results?
...something else with the file names in addition to counting them, you could read from the find output.
n=0
while read -r -d ''; do
((n++)) # count
# maybe perform another act on file
done < <(find <expr> -print0)
echo $n
It is just a modification of a solution found in BashGuid...
One Activity and all other Fragments [closed]
...rary so you no longer have to use the android-support-v4-googlemaps hack. Read about the update here: Google Maps Android API v2
-- EDIT 2 --
I just read this great post about the modern (2017) state of fragments and remembered this old answer. Thought I would share: Fragments: The Solution to ...