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How can javascript upload a blob?
...ta) {
console.log(data);
});
You need to use the FormData API and set the jQuery.ajax's processData and contentType to false.
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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
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The Problem is with FOREIGN KEY Constraint. By Default (SET FOREIGN_KEY_CHECKS = 1). FOREIGN_KEY_CHECKS option specifies whether or not to check foreign key constraints for InnoDB tables. MySQL - SET FOREIGN_KEY_CHECKS
We can set foreign key check as disable before running Query....
How to make a JSONP request from Javascript without JQuery?
...doable with JSONP. It's a hack from the pre-CORS days. What do you need to set headers for? The server specifically needs to accept JSONP requests so it should be set up to serve in a sane manner.
– Matt Ball
Aug 14 '16 at 21:54
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How do I add a linker or compile flag in a CMake file?
...ppose you want to add those flags (better to declare them in a constant):
SET(GCC_COVERAGE_COMPILE_FLAGS "-fprofile-arcs -ftest-coverage")
SET(GCC_COVERAGE_LINK_FLAGS "-lgcov")
There are several ways to add them:
The easiest one (not clean, but easy and convenient, and works only for compile...
Break out of a While…Wend loop
...
If count = 10 Then
Exit Do
End If
Loop
Or for looping a set number of times:
for count = 1 to 10
msgbox count
next
(Exit For can be used above to exit prematurely)
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ASP.NET “special” tags
...s" or "ASP.NET inline expressions". Visual Studio 2008 syntax highlighting settings dialog calls these "HTML Server-Side Script". Microsoft guys call them "code nuggets" in their blogs.
<%@ %> is a Directive for ASP.NET Web Pages. Used for pages and controls to configure page/control compile...
Oracle: how to UPSERT (update or insert into a table?)
... ('X', 123);
exception
when dup_val_on_index then
update t
set mystuff = 123
where mykey = 'X';
end;
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Is it possible to set async:false to $.getJSON call
Is it possible to set async: false when calling $.getJSON() so that the call blocks rather than being asynchronous?
7 A...
How to display hidden characters by default (ZERO WIDTH SPACE ie. ​)
... you meant, but you can permanently turn showing whitespaces on and off in Settings -> Editor -> General -> Appearance -> Show whitespaces.
Also, you can set it for a current file only in View -> Active Editor -> Show WhiteSpaces.
Edit:
Had some free time since it looks like a p...
Cmake doesn't find Boost
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Are you sure you are doing it the correct way? The idea is that CMake sets BOOST_INCLUDE_DIR, BOOST_LIBRARYDIR and BOOST_ROOT automatically. Do something like this in CMakeLists.txt:
FIND_PACKAGE(Boost)
IF (Boost_FOUND)
INCLUDE_DIRECTORIES(${Boost_INCLUDE_DIR})
ADD_DEFINITIONS( "-DHAS_...