大约有 20,000 项符合查询结果（耗时：0.0488秒） [XML]
What's the difference between Unicode and UTF-8? [duplicate]
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Ok, by why did MS perpetuate this into .NET? Wasn't .NET a post-Win2k invention?
– President James K. Polk
Oct 17 '10 at 3:59
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Why are properties without a setter not serialized
...eUploader: {
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What does “Object reference not set to an instance of an object” mean? [duplicate]
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Variables in .NET are either reference types or value types. Value types are primitives such as integers and booleans or structures (and can be identified because they inherit from System.ValueType). Boolean variables, when declared, have...
How to select from subquery using Laravel Query Builder?
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Correct way described in this answer: https://stackoverflow.com/a/52772444/2519714
Most popular answer at current moment is not totally correct.
This way https://stackoverflow.com/a/24838367/2519714 is not correct in some cases like: sub select has where binding...
How to parse a CSV file using PHP [duplicate]
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Just use the function for parsing a CSV file
http://php.net/manual/en/function.fgetcsv.php
$row = 1;
if (($handle = fopen("test.csv", "r")) !== FALSE) {
while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {
$num = count($data);
echo "<p> $num fields in line $r...
What is the difference between connection and read timeout for sockets?
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AWK: Access captured group from line pattern
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You can use GNU awk:
$ cat hta
RewriteCond %{HTTP_HOST} !^www\.mysite\.net$
RewriteRule (.*) http://www.mysite.net/$1 [R=301,L]
$ gawk 'match($0, /.*(http.*?)\$/, m) { print m[1]; }' < hta
http://www.mysite.net/
sha...
How do I configure emacs for editing HTML files that contain Javascript?
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Another solution is multi-web-mode:
https://github.com/fgallina/multi-web-mode
which may be more easily configurable than the already mentioned multi-mode.
You just configure your preferred modes in your .emacs file like this:
(require 'multi-web-mode)
(setq...
What does it mean to start a PHP function with an ampersand?
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Using the rJava package on Win7 64 bit with R
...o not work! Mirrors are not up-to-date, so go to the source at www.rforge.net: http://www.rforge.net/rJava/files/. Note the advice there
“Please use
`install.packages('rJava',,'http://www.rforge.net/')`
to install.”
That is almost correct. This actually works:
install.packages('rJava', .l...