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Using -performSelector: vs. just calling the method
I'm still kind of new to Objective-C and I'm wondering what is the difference between the following two statements?
5 Answe...
Execute AsyncTask several times
... Activity I use a class which extends from AsyncTask and a parameter which is an instance of that AsyncTask. When I call mInstanceOfAT.execute("") everything is fine.
But the app crash when I press an update button which calls again the AsyncTask(In case the network job didnt work). Cause then app...
Can someone give an example of cosine similarity, in a very simple, graphical way?
...y in terms of word counts (and ignoring word order). We begin by making a list of the words from both texts:
me Julie loves Linda than more likes Jane
Now we count the number of times each of these words appears in each text:
me 2 2
Jane 0 1
Julie 1 1
Linda 1 0
likes 0 1
...
Popstate on page's load in Chrome
I am using History API for my web app and have one issue.
I do Ajax calls to update some results on the page and use history.pushState() in order to update the browser's location bar without page reload. Then, of course, I use window.popstate in order to restore previous state when back-button i...
How to make an empty div take space
This is my 960 grid system case:
12 Answers
12
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Shell script - remove first and last quote (") from a variable
Below is the snippet of a shell script from a larger script. It removes the quotes from the string that is held by a variable. I am doing it using sed, but is it efficient? If not, then what is the efficient way?
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Android: When is onCreateOptionsMenu called during Activity lifecycle?
...o put one at the beginning of onCreateOptionsMenu . The onCreate method is called first, and before it finishes onCreateOptionsMenu is called.
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SQL Client for Mac OS X that works with MS SQL Server [closed]
...Oracle SQL Developer (free)
SQuirrel SQL (free, open source)
Razor SQL
DB Visualizer
DBeaver (free, open source)
SQL Workbench/J (free, open source)
JetBrains DataGrip
Metabase (free, open source)
Netbeans (free, open source, full development environment)
Electron-Based
Visual Studio Code with m...
Programmatically select text in a contenteditable HTML element?
...he content of an element (contenteditable or not) in Chrome, here's how. This will also work in Firefox, Safari 3+, Opera 9+ (possibly earlier versions too) and IE 9. You can also create selections down to the character level. The APIs you need are DOM Range (current spec is DOM Level 2, see also MD...
How to display length of filtered ng-repeat data
... objects (JSON format). The following can be assumed as the contents of this array:
8 Answers
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