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Eclipse - Unable to install breakpoint due to missing line number attributes
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I had the same error message in Eclipse 3.4.1, SUN JVM1.6.0_07 connected to Tomcat 6.0 (running in debug-mode on a different machine, Sun JVM1.6.0_16, the debug connection did work correctly).
Window --> Preferences --> Java --> Compiler --> Classfile Generation: "add li...
How does Dijkstra's Algorithm and A-Star compare?
...stance(int dist[], bool sptSet[])
{
// Initialize min value
int min = INT_MAX, min_index;
for (int v = 0; v < V; v++)
if (sptSet[v] == false && dist[v] <= min)
min = dist[v], min_index = v;
return min_index;
}
int printSolution(int dist[], int n)
{
printf("Vertex ...
How to copy an object in Objective-C
...wered Jul 24 '12 at 10:41
Szuwar_JrSzuwar_Jr
58377 silver badges1010 bronze badges
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Sequelize.js: how to use migrations and sync
...:
sequelize init
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sequelize model:create --name User --attributes first_name:string,last_name:string,bio:text
This will create both model AND migration. Then, manually merge your existing models with generated with sequelize-cli, and do the same with migrations. After doing this, wipe database...
Why can I initialize a List like an array in C#?
...ctions do:
public class MyProgram
{
private SomeCollection<int> _myCollection = new SomeCollection<int> { 13, 5, 7 };
// ...
}
(For more information, see the MSDN)
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How to write into a file in PHP?
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You can use a higher-level function like:
file_put_contents($filename, $content);
which is identical to calling fopen(), fwrite(), and fclose() successively to write data to a file.
Docs: file_put_contents
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Intel HAXM installation error - This computer does not support Intel Virtualization Technology (VT-x
... what comes from Android Studio) Before starting the install, run the haxm_check.exe included in the download from command line. If your fix worked, it should show yes for both NX and VT.
If you just double click haxm_check.exe you won't see anything. Run it from cmd or powershell to see the outpu...
Trimming a huge (3.5 GB) csv file to read into R
...with readLines. This piece of a code creates csv with selected years.
file_in <- file("in.csv","r")
file_out <- file("out.csv","a")
x <- readLines(file_in, n=1)
writeLines(x, file_out) # copy headers
B <- 300000 # depends how large is one pack
while(length(x)) {
ind <- grep("^[^...
Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
...
The default collation for stored procedure parameters is utf8_general_ci and you can't mix collations, so you have four options:
Option 1: add COLLATE to your input variable:
SET @rUsername = ‘aname’ COLLATE utf8_unicode_ci; -- COLLATE added
CALL updateProductUsers(@rUsername, @r...
What is the strict aliasing rule?
...sg) onto a buffer of the word size of your system (like a pointer to uint32_ts or uint16_ts). When you overlay a struct onto such a buffer, or a buffer onto such a struct through pointer casting you can easily violate strict aliasing rules.
So in this kind of setup, if I want to send a message to so...