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Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?
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For everybody who uses Rider you have to select your project>Right Click>Properties>Configurations Then select Debug and Release and check "Allow unsafe code" for both.
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How to check if a user likes my Facebook Page or URL using Facebook's API
... var user_id = response.authResponse.userID;
var fql_query = "SELECT uid FROM page_fan WHERE page_id = "+page_id+"and uid="+user_id;
FB.Data.query(fql_query).wait(function(rows) {
if (rows.length == 1 && rows[0].uid == user_id) {
console...
How do I switch to another subversion branch in Intellij?
...done using the update dialog (VCS -> Update Project, ⌘T), where I can select any branch, tag or revision I want.
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Parallel foreach with asynchronous lambda
...is:
var bag = new ConcurrentBag<object>();
var tasks = myCollection.Select(async item =>
{
// some pre stuff
var response = await GetData(item);
bag.Add(response);
// some post stuff
});
await Task.WhenAll(tasks);
var count = bag.Count;
If you need something more complex, check o...
How to get all files under a specific directory in MATLAB?
...d the ability to apply a validation function to each file, allowing you to select them based on criteria other than just their names (i.e. file size, content, creation date, etc.).
NOTE: In newer versions of MATLAB (R2016b and later), the dir function has recursive search capabilities! So you can...
Convert XLS to CSV on command line
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The code converts only the active worksheet. To select another worksheet, add the following line after the oExcel.Workbooks.Open line with the desired index of the worksheet (starts at 1): oBook.Worksheets(1).Activate
– humbads
Oct 3...
How to force GitHub Pages build?
...nstead, if using Chrome, inspect your page, head into the Application tab, select "Clear storage" in the left menu, and click on "Clear site data" at the bottom of the menu.
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#1071 - Specified key was too long; max key length is 1000 bytes
... the best prefix length for a given column? Here's a method to find out:
SELECT
ROUND(SUM(LENGTH(`menu_link`)<10)*100/COUNT(`menu_link`),2) AS pct_length_10,
ROUND(SUM(LENGTH(`menu_link`)<20)*100/COUNT(`menu_link`),2) AS pct_length_20,
ROUND(SUM(LENGTH(`menu_link`)<50)*100/COUNT(`menu_...
ERROR 2006 (HY000): MySQL server has gone away
...L/MariaDB server.
Double check the value was set properly by:
mysql -sve "SELECT @@max_allowed_packet" # or:
mysql -sve "SHOW VARIABLES LIKE 'max_allowed_packet'"
You got a timeout from the TCP/IP connection on the client side.
Solution: Increase wait_timeout variable.
You tried to run a query a...
Determine version of Entity Framework I am using?
...";
var assemblies = System.AppDomain.CurrentDomain.GetAssemblies().Select(x => x.FullName).ToList();
foreach(var asm in assemblies)
{
var fragments = asm.Split(new char[] { ',', '{', '}' }, StringSplitOptions.RemoveEmptyEntries).Select(x=> x.Trim()).ToList()...