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Django: Get an object form the DB, or 'None' if nothing matches
... cases where your logic expects there to be only a single object (which is selected by first()), but in reality multiple objects exist. Using get() instead of first() gives you an extra layer of protection, by raising MultipleObjectsReturned(). If the result being returned is not expected to return ...
Java : How to determine the correct charset encoding of a stream
...ch present you a snippet of the file in different encodings and ask you to select the "correct" one.
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Why are C character literals ints instead of chars?
...;
void print(char);
print('a');
You would expect that the call to print selects the second version taking a char. Having a character literal being an int would make that impossible. Note that in C++ literals having more than one character still have type int, although their value is implementatio...
How to clear basic authentication details in chrome
...for running apps in the background using that menu.
Open the Chrome menu
Select Settings
Scroll to the bottom
Click Show advanced settings...
Scroll to the bottom
Under System uncheck the box labeled: Continue running background apps when Google Chrome is closed
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Android EditText delete(backspace) key event
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Works as long you don't use selection (autocompletion)
– Javatar
Oct 17 '17 at 8:57
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Multiple inputs with same name through POST in php
...ted it up. You didn't explain much about it though, which is why I didn't select it as the answer to my question. This helps me a ton, as I've been trying to figure this one out for a while (as you may notice in one of my previous questions). My previous approach was to simply add all of the inpu...
How to run only one task in ansible playbook?
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Yes, there is. To be specific, one way to selectively run plays now is by "tagging" the plays. There may be OTHER ways to limit the plays also; I am still learning...
– Scott Prive
May 2 '19 at 1:55
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Call asynchronous method in constructor?
...rce = writings); works finally :) thank you i solve the problem i am gonna select your answer as best
– Kaan Baris Bayrak
Apr 13 '14 at 21:16
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Debugging sqlite database on the device
...ed a database with two tables and a dozen or so rows in each, and did full select queries on each table. One worked fine, the other reported a data error in the file. My best guess right now is an encoding mismatch between the Android and local shell.
– Mason
F...
Binary Data in MySQL [closed]
... mysql_connect("localhost", "root", "password");
mysql_select_db("binary_data");
$data = mysql_real_escape_string(fread(fopen($form_data, "r"), filesize($form_data)));
$result = mysql_query("INSERT INTO binary_data (description, bin_data, filenam...