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How to remove unused C/C++ symbols with GCC and ld?
...unreferenced sections):
-Wl,--gc-sections
So if you had one file called test.cpp that had two functions declared in it, but one of them was unused, you could omit the unused one with the following command to gcc(g++):
gcc -Os -fdata-sections -ffunction-sections test.cpp -o test -Wl,--gc-sections...
What's the easy way to auto create non existing dir in ansible
...
According to the documentation (and my tests), the subdirectories are always created, and recurse=yes only applies permissions recursively. However, the documentation states that this happens automatically since v1.7, so recurse might well be obsolete.
...
How to disable Golang unused import error
...get to the import statement and back when you're just trying to compile or test some code file that you are iteratively fleshing out.
– mtraceur
Nov 19 '19 at 22:22
add a comm...
Eclipse Optimize Imports to Include Static Imports
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For SpringFramework Tests, I would recommend to add the below as well
org.springframework.test.web.servlet.request.MockMvcRequestBuilders
org.springframework.test.web.servlet.request.MockMvcResponseBuilders
org.springframework.test.web.servlet...
Get a CSS value with JavaScript
... // convert other units to pixels on IE
if (/^\d+(em|pt|%|ex)?$/i.test(value)) {
return (function(value) {
var oldLeft = el.style.left, oldRsLeft = el.runtimeStyle.left;
el.runtimeStyle.left = el.currentStyle.left;
el.style.left =...
jQuery object equality
...== b, the above might at least show the next developer exactly what you're testing for.
In any case, that's probably not what you're after. If you wanted to check if two different jQuery objects contain the same set of elements, the you could use this:
$.fn.equals = function(compareTo) {
if (!co...
What is NODE_ENV and how to use it in Express?
...ment, all lowercase. There's nothing to stop you from using other values, (test, for example, if you wish to use some different logic when running automated tests), but be aware that if you are using third-party modules, they may explicitly compare with 'production' or 'development' to determine wha...
How can I delete a query string parameter in JavaScript?
..."?" when there are no parameters after the removal, add an if condition to test if pars.length==0, and if it is 0, then make "url = urlparts[0]" instead of appending the "?".
– johnmcaliley
Nov 14 '10 at 18:42
...
PostgreSQL - max number of parameters in “IN” clause?
...e to the PostgreSQL backend, using Posgresql's JDBC driver 9.1.
This is a test of "delete from x where id in (... 100k values...)" with the postgresql jdbc driver:
Caused by: java.io.IOException: Tried to send an out-of-range integer as a 2-byte value: 100000
at org.postgresql.core.PGStream.Se...
Is onload equal to readyState==4 in XMLHttpRequest?
...). It gets a status of 0 in this case. I've verified this happens on the latest Chrome, Firefox and IE.
So if you are using onerror and are targeting modern browsers, you should not use onreadystatechange but should use onload instead, which seems to be guaranteed to only be called when the HTTP re...