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Why is C so fast, and why aren't other languages as fast or faster? [closed]
...ere is no overhead, but that means that the programmer needs to be able to allocate memory and free them to prevent memory leaks, and must deal with static typing of variables.
That said, many languages and platforms, such as Java (with its Java Virtual Machine) and .NET (with its Common Language R...
How to check the version of GitLab?
...he user icon in the upper right of the screen. Select Settings > Access Tokens. Create a personal access token and copy it to your clipboard.
In a Linux shell, use curl to access the GitLab version:
curl --header "PRIVATE-TOKEN: personal-access-token" your-gitlab-url/api/v4/version
...
System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second
...=>
{
this.SomeAsync();
await Task.Delay(span, source.Token);
}, source.Token, TaskCreationOptions.LongRunning, TaskScheduler.Default);
source.Cancel(true/or not);
// or use ThreadPool(whit defaul options thread) like this
Task.Start(()=>{...}), source.Token)
if u like ...
Splitting String with delimiter
...
Try:
def (value1, value2) = '1128-2'.tokenize( '-' )
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Returning an array using C
...ring scope, i.e., when the function returns.
You will need to dynamically allocate the memory inside of the function or fill a preallocated buffer provided by the caller.
Option 1:
dynamically allocate the memory inside of the function (caller responsible for deallocating ret)
char *foo(int cou...
Unable to add window — token android.os.BinderProxy is not valid; is your activity running?
...ception :
try {
alertDialog.show()
}
catch (WindowManager.BadTokenException e) {
//use a log message
}
It's not elegant but sometimes easy when you have to manage async operations and you are not sure wether activity is up or not when you want to show the dialog.
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Batch files: How to read a file?
...
You can use the for command:
FOR /F "eol=; tokens=2,3* delims=, " %i in (myfile.txt) do @echo %i %j %k
Type
for /?
at the command prompt. Also, you can parse ini files!
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Is there any way I can define a variable in LaTeX?
...
I think you probably want to use a token list for this purpose:
to set up the token list
\newtoks\packagename
to assign the name:
\packagename={New Name for the package}
to put the name into your output:
\the\packagename.
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How to set the maximum memory usage for JVM?
...Xms and -Xmx options only regulate the jvm heap size, not the total memory allocation.
– Peter De Winter
Mar 21 '18 at 9:30
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Javascript object Vs JSON
...uotes if the key is a reserved word or if it would otherwise be an illegal token. In JSON you MUST always use double quotes on key names.
Q2 - the jsonString is a serialised version of the input object ...
Q3 - which may be deserialised to an identical looking object using JSON.parse()
...