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How to print register values in GDB?
...
Same problem: %eax is in the code, yet print $eax shows void.
– Ruslan Yushchenko
Oct 8 '12 at 16:42
5
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Callback after all asynchronous forEach callbacks are completed
...that gets updated in the callback. Depending on the value of the index parameter does not provide the same guarantee, because the order of return of the asynchronous operations is not guaranteed.
Using ES6 Promises
(a promise library can be used for older browsers):
Process all requests guarante...
Laravel Migration Change to Make a Column Nullable
...l 5 now supports changing a column; here's an example from the offical documentation:
Schema::table('users', function($table)
{
$table->string('name', 50)->nullable()->change();
});
Source: http://laravel.com/docs/5.0/schema#changing-columns
Laravel 4 does not support modifying colu...
check if jquery has been loaded, then load it if false
...
Maybe something like this:
<script>
if(!window.jQuery)
{
var script = document.createElement('script');
script.type = "text/javascript";
script.src = "path/to/jQuery";
document.getElementsByTagName('head')[0].appen...
Why is “import *” bad?
It is recommended to not to use import * in Python.
12 Answers
12
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How to add a button to a PreferenceScreen?
I'm quite new to Android Development and just came across Preferences.
I found PreferenceScreen and wanted to create a login functionality with it. The only problem I have is that I don't know how I could add a "Login" button to the PreferenceScreen .
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SqlDataAdapter vs SqlDataReader
...ating back to the database
On the other hand, it:
Only has one record in memory at a time rather than an entire result set (this can be HUGE)
Is about as fast as you can get for that one iteration
Allows you start processing results sooner (once the first record is available). For some query types...
How to print time in format: 2009‐08‐10 18:17:54.811
What's the best method to print out time in C in the format 2009‐08‐10
18:17:54.811 ?
7 Answers
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Using “super” in C++
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Bjarne Stroustrup mentions in Design and Evolution of C++ that super as a keyword was considered by the ISO C++ Standards committee the first time C++ was standardized.
Dag Bruck proposed this extension, calling the base class "inherited." T...
How to delete and replace last line in the terminal using bash?
I want to implement a progress bar showing elapsed seconds in bash. For this, I need to erase the last line shown on the screen (command "clear" erases all the screen, but I need to erase only the line of the progress bar and replace it with the new information).
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