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Finding current executable's path without /proc/self/exe
...are using Qt, QCoreApplication::applicationFilePath() as mentioned in the comments.
The portable (but less reliable) method is to use argv[0]. Although it could be set to anything by the calling program, by convention it is set to either a path name of the executable or a name that was found using...
Capture HTML Canvas as gif/jpg/png/pdf?
... var img = canvas.toDataURL("image/jpeg"); am getting the background as complete black. How to rectify that
– gauti
Dec 23 '13 at 14:55
190
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No mapping found for field in order to sort on in ElasticSearch
...
After digging more, I found the solution as given below. ignore_unmapped should be explicitly set to true in the sort clause.
"sort" : [
{ "rating": {"order" : "desc" , "ignore_unmapped" : true} },
{ "price": {"order" : "asc" , "missing" : "_last" , "ignore_unmapped" : tru...
Maximum Length of Command Line String
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Retrieve the position (X,Y) of an HTML element relative to the browser window
...n every circumstances that I've tried.
function getOffset( el ) {
var _x = 0;
var _y = 0;
while( el && !isNaN( el.offsetLeft ) && !isNaN( el.offsetTop ) ) {
_x += el.offsetLeft - el.scrollLeft;
_y += el.offsetTop - el.scrollTop;
el = el.offsetPare...
What does “WARN Could not determine content-length of response body.” mean and how to I get rid of i
...
Asked the same question to one of Rails-Core's members:
https://twitter.com/luislavena/status/108998968859566080
And the answer:
https://twitter.com/tenderlove/status/108999110136303617
ya, it's fine. Need to clean it up, but nothing is being hurt.
...
Binding an enum to a WinForms combo box, and then setting it
... in mind the tryparse is a .net 4.0 statement.
– real_yggdrasil
Jun 22 '12 at 7:53
For me SelectedValue is always null...
Accessing a Dictionary.Keys Key through a numeric index
...t;K, T> : IDictionary<K, T>
{
private IDictionary<K, T> _InnerDictionary;
public K LastInsertedKey { get; set; }
public MyDictionary()
{
_InnerDictionary = new Dictionary<K, T>();
}
#region Implementation of IDictionary
public void Add(Key...
Get list of databases from SQL Server
...tabases on a SQL Server instance? I'm planning to make a list of them in a combo box in VB.NET.
15 Answers
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How do I delete an exported environment variable?
...Note: in all the above, I assume that the variable name is 'x'.
credits:
https://www.cyberciti.biz/faq/unix-linux-difference-between-set-and-setenv-c-shell-variable/
https://www.oreilly.com/library/view/solaristm-7-reference/0130200484/0130200484_ch18lev1sec24.html
...