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What HTTP status response code should I use if the request is missing a required parameter?
...You can send a 400 Bad Request code. It's one of the more general-purpose 4xx status codes, so you can use it to mean what you intend: the client is sending a request that's missing information/parameters that your application requires in order to process it correctly.
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Is an entity body allowed for an HTTP DELETE request?
...ection 9, and 9.4 specifically)
a message-body is explicitly forbidden in 1xx (informational), 204 (no content), and 304 (not modified) responses (section 4.3)
all other responses include a message-body, though it may be of zero length (section 4.3)
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Issue pushing new code in Github
...rejected. remote: remote: refs/heads/master: ...: expected committer name xxx but found yyy. I do a git config --global user.email yyy and it still doesnt recognize. Can't force anything.!!!
– Baruch Atta
Apr 1 '19 at 17:48
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Convert SVG image to PNG with PHP
...because I made sure each state's attributes were formatted exactly as (id="XX" style="fill:#XXXXXX").
– WebChemist
Oct 16 '12 at 0:08
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Django in / not in query
... Depending on the context, if the filter is like "having count(xx)==yy" it's more than 100x faster to use annotate() (timeit gave me 1.0497902309998608 vs 0.00514069400014705)
– Olivier Pons
Apr 11 '19 at 8:18
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HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
...m to curl.cainfo.
Since PHP 5.3.7 you could do:
download https://curl.haxx.se/ca/cacert.pem and save it somewhere.
update php.ini -- add curl.cainfo = "PATH_TO/cacert.pem"
Otherwise you will need to do the following for every cURL resource:
curl_setopt ($ch, CURLOPT_CAINFO, "PATH_TO/cacert.pem...
Avoid trailing zeroes in printf()
... -d;
sz = (d >= 0) ? 0 : 1;
// Add one for each whole digit (0.xx special case).
if (d2 < 1) sz++;
while (d2 >= 1) { d2 /= 10.0; sz++; }
// Adjust for decimal point and fractionals.
sz += 1 + n;
// Create format string then use it.
sprintf (s, "%*.*f", ...
How to install an apk on the emulator in Android Studio?
...k/platform-tools and use adb from there to install apk. Like:
adb install xxx.apk
It will install it on running emulator.
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How to duplicate a whole line in Vim?
...+,$g/^\s*class\s\+\i\+/t. will copy all subsequent lines of the form class xxx right after the cursor.
Reference: :help range, :help :t, :help :g, :help :m and :help :v
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Interop type cannot be embedded
...ot allowed
http://blogs.msdn.com/mshneer/archive/2009/12/07/interop-type-xxx-cannot-be-embedded-use-the-applicable-interface-instead.aspx
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