大约有 15,475 项符合查询结果（耗时：0.0248秒） [XML]
How to add an email attachment from a byte array?
...o's Attachment class calls Dispose on the content stream, and from a quick test case, .NET 4.0 does the same. I'm not super-amused that this is the case, but there it is.
– Matt Enright
May 19 '11 at 22:12
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Integrated Markdown WYSIWYG text editor
...rceforge.net/
Demo: http://md-wysiwyg.sourceforge.net/cgi-bin/cgi_wysiwyg_test.py/
That seems pretty close to what we are looking for, it does a reasonable job of taking your WYSIWYG rich text and outputting markdown. However it failed on an encoding exception when I pasted in some rich text from...
What does “|=” mean? (pipe equal operator)
...gs |= DEFAULT_LIGHTS;
simply means we add a flag.
And symmetrically, we test a flag is set using & :
boolean hasVibrate = (DEFAULT_VIBRATE & myFlags) != 0;
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Is there a better way to do optional function parameters in JavaScript? [duplicate]
...he accepter answer's ternary method was slightly slower for the handful of tests I ran: jsperf.com/optional-function-parameters-ternary-vs-manual
– Jeromy French
Feb 5 '15 at 22:48
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RegEx to parse or validate Base64 data
...se64,(?:[A-Za-z0-9]|[+/])+={0,2}/;
return base64Image && regex.test(base64Image);
}
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How to zip a whole folder using PHP
...ful undocumented method in the ZipArchive class: addGlob();
$zipFile = "./testZip.zip";
$zipArchive = new ZipArchive();
if ($zipArchive->open($zipFile, (ZipArchive::CREATE | ZipArchive::OVERWRITE)) !== true)
die("Failed to create archive\n");
$zipArchive->addGlob("./*.txt");
if ($zipArc...
How to solve the “failed to lazily initialize a collection of role” Hibernate exception
...one. I received the same response as you gave. Soon enough when I ran some test with hundreds of thousands of row, guess what happened ? I think it is misleading because it provides too simple of an answer for a problem that mostly beginners will face and soon enough they will have their whole datab...
How to use mod operator in bash?
...le mathematically -12 mod 10 is 8, bash will calculate it as -2. You can test it with simple echo $((-12 % 10)) (-2) and compare it with python3 python3 -c "print(-12 % 10)" (8).
– Lirt
Jan 28 '19 at 22:39
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
...pproach suggested by mpaf uses much less memory, but is 2-3x slower for my test case.
from django.core.paginator import Paginator
def chunked_iterator(queryset, chunk_size=10000):
paginator = Paginator(queryset, chunk_size)
for page in range(1, paginator.num_pages + 1):
for obj in ...
How to convert a LocalDate to an Instant?
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In a unit test I am writing, I have a LocalDate, that is converted to a com.google.protobuf.Timestamp and then mapped back to a LocalDate via an Instant, both ways. When using the approach the accepted answer suggests, I get the expe...