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Why doesn't Objective-C support private methods?
...mplementor of a class would not want to use all of the Objective-C feature set in the implementation, and that means that dynamic dispatch must happen. However, there is no particular reason why private methods couldn't be dispatched by a special variant of objc_msgSend(), since the compiler would ...
What's the purpose of SQL keyword “AS”?
You can set table aliases in SQL typing the identifier right after the table name.
9 Answers
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In Mongoose, how do I sort by date? (node.js)
...'t need any for efficiency reasons) which will allow you to get the result set in your callback.
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How do I set the selected item in a comboBox to match my string using C#?
...g "test1" and my comboBox contains test1 , test2 , and test3 . How do I set the selected item to "test1"? That is, how do I match my string to one of the comboBox items?
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How do I join two SQLite tables in my Android application?
...wQuery = "SELECT * FROM " + RefuelTable.TABLE_NAME + " INNER JOIN " + ExpenseTable.TABLE_NAME
+ " ON " + RefuelTable.EXP_ID + " = " + ExpenseTable.ID
+ " WHERE " + RefuelTable.ID + " = " + id;
Cursor c = db.rawQuery(
rawQuery,
null
);
because of SQLite's backward c...
How to detect if app is being built for device or simulator in Swift
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This is the only correct answer. You can also set this up in xcconfig files by using OTHER_SWIFT_FLAGS = TARGET_OS_EMBEDDED and OTHER_SWIFT_FLAGS[sdk=embeddedsimulator*] = TARGET_OS_SIMULATOR to override for the Simulator.
– russbishop
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Can Android Studio be used to run standard Java projects?
... project is created, go to File -> Project Structure -> Project, and set your JDK as the "Project SDK". Add a Java Library module to hold your application code as above.
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How to terminate a window in tmux?
...creen, here's a tmux.conf that I've used to accomplish this:
# Prefix key
set -g prefix C-a
unbind C-b
bind C-a send-prefix
# Keys
bind k confirm kill-window
bind K confirm kill-server
bind % split-window -h
bind : split-window -v
bind < resize-pane -L 1
bind > resize-pane -R 1
bind - resize...
In MySQL queries, why use join instead of where?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
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else {
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Using mixins vs components for code reuse in Facebook React
...ion (key) {
return _.contains(this.state.errors, key);
},
resetError: function (key) {
this.setState({
'errors': _.without(this.state.errors, key)
});
},
validate: function () {
var errors = _.filter(_.keys(this.validators), function (key) {
...