[Solved] How to create a packet in C#
Of course using a string builder is very far from packet structuring, you must use byte[] and append values to it by index. 1 solved How to create a packet in C#
Month: October 2022
[Solved] Checkbox is unchecked whenever listview is scrolled, android?
Your problem is the last for loop. Each row will get the state of the last checked[] array entry. You should see that if you change the value of the last one. PS: Your code is a bit “messy” and can be optimized: @Override public View getView(final int position, View convertView, ViewGroup parent) { View … Read more
[Solved] How to search for a value in Object which contains sub objects with as array values
You can try this- const obj = { “India” : { “Karnataka” : [“Bangalore”, “Mysore”], “Maharashtra” : [“Mumbai”, “Pune”] }, “USA” : { “Texas” : [“Dallas”, “Houston”], “IL” : [“Chicago”, “Aurora”, “Pune”] } }; const search = (obj, keyword) => { return Object.values(obj).reduce((acc, curr) => { Object.entries(curr).forEach(([key, value]) => { if (value.indexOf(keyword) > -1) { … Read more
[Solved] function that returns a value from column b when specifying a value from column a [closed]
We can use == exampledataframe$X2[exampledataframe$X1==”A”] As a function fun1 <- function(data, Var1, Var2, val){ data[[Var2]][data[[Var1]]==val] } fun1(exampledataframe, “X1”, “X2”, “B”) #[1] “4” data exampledataframe <- data.frame(X1= c(“A”, 1, “B”, 2, “C”), X2= c(3, “D”, 4, “F”, 5), stringsAsFactors=FALSE) 0 solved function that returns a value from column b when specifying a value from column a … Read more
[Solved] How to know if a DNS server is an open resolver?
The way we did it in the Zonemaster project was to send the name server in question a SOA query with the RD flag set for the almost certainly non-existent name xx–domain-cannot-exist.xx–illegal-syntax-tld. If the response is NXDOMAIN, the name server has performed a recursive query and is therefore an open recursor. If the response is … Read more
[Solved] Change variable value using onchange
You have alert() in wrong place <select name=”select1″ onchange=”updatevariable(this.value)”> <option value=”2″ >2</option> <option value=”15″ >15</option> </select> <script type=”text/javascript”> var value = “test”; function updatevariable(data) { value = data; alert(value); } </script> In your code it is loaded right after the script is loaded, you have to modify it to be called right after change 4 … Read more
[Solved] Continue loop after 8 results – separating into whole new table
Ok so if we assume that $table3[‘body’] has the same count of elements as $table3[‘header’] your code basically starts building the table header fine, but when we get to the body during the first 8 loops you have the table create rowspans? Should this not be colspans? https://plnkr.co/edit/B31QPDamCDHiQANAYpdx?p=preview <table width=”100%” border=”1″ cellspacing=”0″ cellpadding=”0″> <thead> <th>1 … Read more
[Solved] What’s the best way to make DLL size as small as possible?
As every other person mentioned, you can use compiler options to reduce your size. At first, try to tweak these options for better result. These options normally affect size of your code. But if you have a lot of resources in your EXE/DLL, you will not see much difference. If you really need a small … Read more
[Solved] return statement in a for loop [closed]
What if string is 0 length or count is 0? In your second case, you don’t return a value. This should be giving a compiler warning and will probably cause a crash as it returns whatever it wants. Edit Ok, the problem is deeper – you are never getting to the part of the code … Read more
[Solved] How to make JS date respect local timezone?
Assuming that seconds is a unix epoch (UTC), you should just use function date_str(seconds) { var dt = new Date(seconds*1000); console.log(dt); … instead. The get…() methods will respect the local timezone. If you don’t want that, you should use the getUTC…() equivalents. 0 solved How to make JS date respect local timezone?
[Solved] Using combo box in c# [closed]
Well, i ll try to give you a quick example in Windows Forms. Like you said, you got 2 combo boxes Category and Brand, i named cmbParent and cmbChild. I declared some variables: List<String> listParent = new List<String>(); List<Tuple<String, String>> listChild = new List<Tuple<String,String>>(); On Form_Load, i did some manual lists: public ComboForm() { InitializeComponent(); … Read more
[Solved] How do I truncate the significand of a floating point number to an arbitrary precision in Java? [duplicate]
Suppose x is the number you wish to reduce the precision of and bits is the number of significant bits you wish to retain. When bits is sufficiently large and the order of magnitude of x is sufficiently close to 0, then x * (1L << (bits – Math.getExponent(x))) will scale x so that the … Read more
[Solved] why do we declare a method as static [closed]
Adding onto what everybody else said. A normal class method you would have to instantiate the object as follows. If you have a class called ClassExample with a method testMethod You would have to do the following to call it ClassExample example = new ClassExample(); example.testMethod()… if you have a static method you do not … Read more
[Solved] After adding braces,file output not proper [closed]
You probably want this: for (l=0; l<ny; l++) { if (xflg) index = m * nxy + l*nx + k; else index = m * nxy + k*ny + l; vel[index] = velocity; fprintf(f,”%5d\n”,index); //<<< line added /* fprintf(stdout,”%.1f %.1f %.1f “, this_z, this_x, velocity); */ } or maybe this: for (l=0; l<ny; l++) { … Read more
[Solved] Email not displaying HTML [closed]
This as per your original post https://stackoverflow.com/revisions/36426850/1 Here’s the deal. Your code has a missing > for <h1HELLO WORLD!</h1> so that’ll need to be changed to <h1>HELLO WORLD!</h1>. Edit: Ah, now you edited that in now https://stackoverflow.com/revisions/36426850/2, yet the following still applies. Then the “chain link” broke in $headers = “MIME-Version: 1.0” . “\r\n”; where … Read more