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For i = 0, why is (i += i++) equal to 0?
... x is evaluated to produce the variable.
The value of x is saved.
The selected operator is invoked with the saved value of x as its argument.
The value returned by the operator is stored in the location given by the evaluation of x.
The saved value of x becomes the result of the operation.
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How to list of all the tables defined for the database when using active record?
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Don't know about active record, but here's a simple query:
select table_name
from INFORMATION_SCHEMA.Tables
where TABLE_TYPE = 'BASE TABLE'
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Simple way to find if two different lists contain exactly the same elements?
...) because we are doing O(2*n) insertions into a hashmap and O(3*n) hashmap selects. I have not fully tested this code, so beware :)
//Returns true:
listsAreEquivelent(Arrays.asList("A","A","B"),Arrays.asList("B","A","A"));
listsAreEquivelent(null,null);
//Returns false:
listsAreEquivelent(Arrays.as...
showDialog deprecated. What's the alternative?
...rride
public void onDateSet(DatePicker datepicker, int selectedyear, int selectedmonth, int selectedday)
{
ed_date.setText(new StringBuilder().append(year).append("-").append(month+1).append("-").append(day));
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PHP memory profiling
...01-29) which can be used in Qcachegrind or similar tool. Just make sure to select the memory option :)
From the docs:
Since Xdebug 2.6, the profiler also collects information about how much memory is being used, and which functions aGnd methods increased memory usage.
I'm not familiar with th...
Why aren't my breakpoints working?
...e Xcode Debugging preferences.
Make sure that "Load Symbols lazily" is NOT selected.
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How do I add a ToolTip to a control?
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Add a ToolTip component to your form
Select one of the controls that you want a tool tip for
Open the property grid (F4), in the list you will find a property called "ToolTip on toolTip1" (or something similar). Set the desired tooltip text on that property.
Rep...
How to decide font color in white or black depending on background color?
... @mwieczorek people who rely on user-generated content or randomly selected colors do.
– Marc Plano-Lesay
Sep 15 '18 at 12:54
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What is stability in sorting algorithms and why is it important?
...Sort
Gnome Sort
Odd–even Sort
Unstable Sorting Algorithms:
Heap sort
Selection sort
Shell sort
Quick sort
Introsort (subject to Quicksort)
Tree sort
Cycle sort
Smoothsort
Tournament sort(subject to Hesapsort)
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Curly braces in string in PHP
...s the code I got from one wordpress plugin
$data = $wpdb->get_results("select * from {$wpdb->prefix}download_monitor_files");
This is really handy technique for formatting complex strings.
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