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What does “dereferencing” a pointer mean?
...his way C encodes text in memory is known as ASCIIZ.
For example, if the string literal happened to be at address 0x1000 and p a 32-bit pointer at 0x2000, the memory content would be:
Memory Address (hex) Variable name Contents
1000 'a' == 97 (ASCII)
1001...
Cannot issue data manipulation statements with executeQuery()
... NetBeans 8.1, MySql and java.JDBC.driver
try {
String Query = "INSERT INTO `stock`(`stock`, `min_stock`,
`id_stock`) VALUES ("
+ "\"" + p.get_Stock().getStock() + "\", "
+ "\"" + p.get_Stock().getStockMinimo() + "\","
...
How can I create a copy of an object in Python?
...ame object:
>>> tuple_copy_attempt is a_tuple
True
Similarly for strings:
>>> s = 'abc'
>>> s0 = s[:]
>>> s == s0
True
>>> s is s0
True
and for frozensets, even though they have a copy method:
>>> a_frozenset = frozenset('abc')
>>> fro...
Core dump file analysis [duplicate]
... have no glue what binary produced a core dump? Can I investigate with the strings command which binary I need to debug it?
– math
Feb 12 '14 at 15:54
21
...
How do I set a JLabel's background color?
...olor into your package.
In your main method, i.e. public static void main(String[] args), call the already imported method:
JLabel name_of_your_label=new JLabel("the title of your label");
name_of_your_label.setBackground(Color.the_color_you_wish);
name_of_your_label.setOpaque(true);
NB: Settin...
Count elements with jQuery
... in your question isn't using jQuery. You're just getting the length of a string literal.
– David
Apr 18 '18 at 19:35
...
Creating Scheduled Tasks
...
using Microsoft.Win32.TaskScheduler;
class Program
{
static void Main(string[] args)
{
// Get the service on the local machine
using (TaskService ts = new TaskService())
{
// Create a new task definition and assign properties
TaskDefinition td = ts.NewTask...
CSS values using HTML5 data attribute [duplicate]
...rding to caniuse.com, the function is still widely unsupported (except for strings in the content attribute of pseudo-elements). caniuse.com/#feat=css3-attr
– ne1410s
Nov 25 '16 at 8:58
...
How to change the icon of an Android app in Eclipse?
...android:icon="@drawable/ic_launcher" <--------
android:label="@string/app_name"
android:theme="@style/AppTheme" >
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Pass column name in data.table using variable [duplicate]
...quotes on the column names when you do it this way, because the quote()-ed string will be evaluated inside the DT[]
temp <- quote(x)
DT[ , eval(temp)]
# [1] "b" "b" "b" "a" "a"
With a single column name, the result is a vector. If you want a data.table result, or several columns, use list form...