大约有 644 项符合查询结果（耗时：0.0299秒） [XML]
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
...
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 ($ch, CURLOPT_CAINFO, "PATH_TO/cacert.pem...
Avoid trailing zeroes in printf()
... -d;
sz = (d >= 0) ? 0 : 1;
// Add one for each whole digit (0.xx special case).
if (d2 < 1) sz++;
while (d2 >= 1) { d2 /= 10.0; sz++; }
// Adjust for decimal point and fractionals.
sz += 1 + n;
// Create format string then use it.
sprintf (s, "%*.*f", ...
How can I make Visual Studio's build be very verbose?
...and and build it from a dos console msdn.microsoft.com/en-us/library/txcwa2xx(VS.80).aspx. Last time I did something similar (but I used CMake to generate the nmake makefiles) all the commands were printed out into the console display.
– javier-sanz
Jul 31 '09 ...
Loop through an array of strings in Bash?
...e array is missing elements. For example, if you have array elements A[1]='xx', A[4]='yy' and A[9]='zz', the length will be 3 and the loop won't process all the elements.
– Mr Ed
Dec 12 '17 at 9:18
...
Creating multiline strings in JavaScript
...String().match(/[^]*\/\*([^]*)\*\/\}$/)[1];
external edit: jsfiddle
ES20xx supports spanning strings over multiple lines using template strings:
let str = `This is a text
with multiple lines.
Escapes are interpreted,
\n is a newline.`;
let str = String.raw`This is a text
with mul...
How to estimate a programming task if you have no experience in it [closed]
... risk factors and come up with a checklist of deliverables to test them in xx days. At that point I'll give you another incremental estimate."
And it would be real nice if you could suggest that they should "Please insist that I never try to give you a credible estimate of that type in the future. ...
What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
...me sql datatype field; a couple of other options might be.
Use a varchar(xx) to store the ToString of the TimeSpan. The benefit of this is the precision doesn't have to be baked into the datatype or the calculation, (seconds vs milliseconds vs days vs fortnights) All you need to to is use TimeSpan...
comparing 2 strings alphabetically for sorting purposes
...swered Aug 22 '19 at 15:49
Eray XxEray Xx
5577 bronze badges
...
How to add local jar files to a Maven project?
...esn't work anymore, it returns: " 'dependencies.dependency.systemPath' for xx.jar should not point at files within the project directory" This has been already dealt in stackoverflow.com/questions/10935135/…
– sarah.ferguson
Dec 9 '15 at 14:31
...
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