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C++11 emplace_back on vector?
...nction construct shown above cannot compile with clang 3.1(Sorry, I don't know why).
Try next one if you will use clang 3.1 (or other reasons).
void construct(T* p, int a, double b, const string& c) { ::new(static_cast<void*>(p)) T{ a, b, c }; }
...
Argument list too long error for rm, cp, mv commands
...r practice to use -exec to execute rm, rather than invoking xargs(which is now 3 processes and a pipe instead of a single process with -delete or 2 processes with -exec).
– scragar
May 20 '14 at 10:10
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git add, commit and push commands in one?
... acp() { git commit -a -m "$1" && git push ; } ; acp'
(Of course, now, you will need to give a commit message: git acp "My message goes here!")
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How do I send a POST request as a JSON?
...thon 2.x. You are using Python3 so the imports will be different. It would now be import urllib.request and urllib.request.Request(). Furthermore, printing the req object does nothing interesting. You can clearly see the headers have been added by printing req.headers. Beyond that, I am not sur why ...
JavaScript isset() equivalent
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// Simple checking if we have a declared variable
isset(some) // true
// Now trying to see if we have a top level property, still valid
isset(some.nested) // false
// But here is where things fall apart: trying to access a deep property
// of a complex object; it will throw an error
isset(some.ne...
Reset CSS display property to default value
...ch as <div>) will also be blown away.
So I guess the only way right now using pure CSS is to look up the browser default value and set it manually to that:
div.foo { display: inline-block; }
div.foo.bar { display: block; }
(An alternative to the above would be div.foo:not(.bar) { display: in...
How can I check if a URL exists via PHP?
...for a response.
All code might (and probably will) halt untill you either know the result or the requests have timed out.
For example: the code below could take a LONG time to display the page if the urls are invalid or unreachable:
<?php
$urls = getUrls(); // some function getting say 10 or more...
Ship an application with a database
... "picnic_table"; Uncomment this if picnic table was previously created and now is being replaced.
CREATE TABLE "picnic_table" ("plates" TEXT);
INSERT INTO "picnic_table" VALUES ('paper');
Here is an entry to add to the /res/values/strings.xml file for the database version number.
<item type="s...
EXC_BAD_ACCESS signal received
...you no longer have access to, and you therefore cannot call it.
UPDATE:
I now use Instruments to debug Leaks. From Xcode 4.2, choose Product->Profile and when Instruments launches, choose "Zombies".
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“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server
...e client computer in the next screen. Click Finish.
Click Close.
Click OK.
NOW install the certificate into the Trusted Root Certification Authorities certificate store. This will allow all users to trust the certificate.
sh...