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Best ways to teach a beginner to program? [closed]
...nd gaze into the Abyss. Start by writing a circular buffer and a stack for string manipulation. Then work your way up.
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edited Mar 28 '12 at 19:16
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Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP
...ve put instead:
filter_input(INPUT_SERVER, 'SERVER_NAME', FILTER_SANITIZE_STRING)
You have the filter_input and filters doc here:
http://www.php.net/manual/en/function.filter-input.php
http://www.php.net/manual/en/filter.filters.php
...
How to change the foreign key referential action? (behavior)
...a foreign key with column name fk_table2_id, with constraint name fk_name and table2 is referred table with key t2 (something like below in my diagram).
table1 [ fk_table2_id ] --> table2 [t2]
First step, DROP old CONSTRAINT: (reference)
ALTER TABLE `table1`
DROP FOREIGN KEY `fk_name...
How to verify multiple method calls with different params
...ng works, although much more verbose than I would like.
ArgumentCaptor<String> argument = ArgumentCaptor.forClass(String.class);
verify(errors, atLeastOnce()).add(argument.capture(), any(ActionMessage.class));
List<String> values = argument.getAllValues();
assertTrue(values.contains(...
ORA-00979 not a group by expression
...ults to a single value (like MIN, MAX or SUM).
A simple example to understand why this happens: Imagine you have a database like this:
FOO BAR
0 A
0 B
and you run SELECT * FROM table GROUP BY foo. This means the database must return a single row as result with the first column 0 to fulfill t...
Can “using” with more than one resource cause a resource leak?
... for your code:
.method private hidebysig static
void Main (
string[] args
) cil managed
{
// Method begins at RVA 0x2050
// Code size 74 (0x4a)
.maxstack 2
.entrypoint
.locals init (
[0] class [System.Drawing]System.Drawing.Font font3,
[1] clas...
How to format a float in javascript?
In JavaScript, when converting from a float to a string, how can I get just 2 digits after the decimal point? For example, 0.34 instead of 0.3445434.
...
Converting an int to a binary string representation in Java?
...at would be the best way (ideally, simplest) to convert an int to a binary string representation in Java?
16 Answers
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Compare JavaScript Array of Objects to Get Min / Max
I have an array of objects and I want to compare those objects on a specific object property. Here's my array:
16 Answers
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Test or check if sheet exists
...ll the sheets until you find a match.
Function WorksheetExists(shtName As String, Optional wb As Workbook) As Boolean
Dim sht As Worksheet
If wb Is Nothing Then Set wb = ThisWorkbook
On Error Resume Next
Set sht = wb.Sheets(shtName)
On Error GoTo 0
WorksheetExists = Not sht...