I’m guessing you use TCP? Then you have to remember that TCP is a streaming protocol, without message boundaries and without any start or end (except connection established and closed). A single recv call may receive less or more than what was sent in a single send call. You need to come up with a … Read more
The error is in the function public void AddItem(object value) { listView1.Items.Add(value); } you pass an object to this function and try to add it to the ListViewItemCollection, but there is no overload of the Add method of the ListViewItemCollection that accepts an object Change it to public void AddItem(string value) { listView1.Items.Add(value); } This … Read more
I understand you are asking two things: What is an HTTP CLIENT? This is any program/application used make communications on the web using the Hypertext Transfer Protocol (HTTP). A common example is a browser. What is cURL? This a particular HTTP CLIENT designed to make HTTP communications on the web but built to be used … Read more
The usual type conversions work for function types just as well as they work for non-function types: pkg1.PkgApiCall(SomeFuncType(x)) solved How can I convert function types with the same signature?
i need regular expression for org.sqlite.SQLiteException: [SQLITE_CONSTRAINT_UNIQUE] A UNIQUE constraint failed solved i need regular expression for org.sqlite.SQLiteException: [SQLITE_CONSTRAINT_UNIQUE] A UNIQUE constraint failed
WARNING Your current code is vulnerable to SQL injection. Make sure to always use parameterized prepared statements and never use die(mysqli_erro($con)) in your code. You can solve the problem without any PHP logic. It is always better to do such operations in one step in SQL. However, this task is not very easy to do … Read more
Use ast.literal_eval to convert the string to a tuple. >>> s = “(‘Who is Shaka Khan?’,{‘entities’: [(7, 17, ‘PERSON’)]}),” >>> import ast >>> t = ast.literal_eval(s) >>> t[0] (‘Who is Shaka Khan?’, {‘entities’: [(7, 17, ‘PERSON’)]}) >>> t[0][0] ‘Who is Shaka Khan?’ >>> t[0][1] {‘entities’: [(7, 17, ‘PERSON’)]} Optionally, you can convert it to a … Read more
If you update (or insert into table), and the new inserted/updated col1 value is already being used on some row, your query should fail with unique constraint violation error. Make your application handle this error/exception properly and there’s really no need to check the existence of this value before the update/insert. The less queries your … Read more
this works but will be blocked by popup blockers <a class=”double-web-pages”>open two websites</a> <script> document.querySelector(“a.double-web-pages”).addEventListener(“click”,function(){ window.open(“https://www.storewebsite.com”); window.open(“https://www.postswebsite.com”); }) </script> and this one will open one new tab with store page and replace the current page with posts page <a href=”https://www.postswebsite.com” class=”double-web-pages”>open two websites</a> <script> document.querySelector(“a.double-web-pages”).addEventListener(“click”,function(){ window.open(“https://www.storewebsite.com”); }); </script> 0 solved Open two URLs at once … Read more
Arrays in C++ are declared with the square brackets after the variable name, like so: int solution[5][5]; 2 solved unqualified-id before ‘[‘ token c++ error
To fix your code: Add the event function doit_onkeypress(a, event) { … <p id=”para” tabindex=”0″ onkeypress=”javascript: doit_onkeypress(this.id, event);”> Add the id into the jQuery selector $(“#” + a + “.token”).each(function () { Add a tabindex to paragraph, so that it can be focused. This is how it works for me: <html> <head> </head> <body> <p … Read more
Try this (untested): PlaySound (TEXT(“1.wav”), NULL, SND_FILENAME | SND_ASYNC); Documented at MSDN (read it!) 11 solved Using Multi Threading in Win32 Api [closed]
Delete the ‘s’ from the URL when you try to access your app, that’s all it takes. Just make sure you start the Go web server in normal (HTTP) mode. The HTTPS layer is added by the Heroku platform, but your app is still available via both HTTP and HTTPS protocol. So for example if … Read more
try to add the bellow CSS to your label tags label{ display:inline-block; width:120px; text-align:right; } or use a table with border=”0″ attribute and align=”right” for firsts columns solved How to display text from left to right [closed]
C# is an object oriented Language and the main building block is the class. You can’t call a method defined inside a class without creating an instance of that class. (Unless you declare the method static, but this is not really the matter here) So suppose you have this class public class AClassOfMine { public … Read more