大约有 16,000 项符合查询结果（耗时：0.0372秒） [XML]
typecast string to integer - Postgres
...ing into an integer.
Solution
Create a user-defined function inspired by PHP's intval() function.
CREATE FUNCTION intval(character varying) RETURNS integer AS $$
SELECT
CASE
WHEN length(btrim(regexp_replace($1, '[^0-9]', '','g')))>0 THEN btrim(regexp_replace($1, '[^0-9]', '','g'))::intege...
Fastest Way to Find Distance Between Two Lat/Long Points
...DIT: Can this be put into one SQL statement?
I have no idea what mySql or Php is capable of, sorry.
I don't know where the best place is to build the four points, or how they could be passed to a mySql query in Php. However, once you have the four points, there's nothing stopping you combining your...
node.js database [closed]
... be transactional, and have live replication to remote hosting facilities, etc. Then maybe look at something like postgresql. It wouldn't mirror as well, but the node.js driver works pretty well and if you aren't deathly afraid of sql it gets what you want in/out pretty easily.
As for my own opin...
How to send an email from JavaScript
...;
if (rq) {
// Success; attempt to use an Ajax request to a PHP script to send the e-mail
try {
rq.open('GET', 'sendmail.php?to=' + encodeURIComponent(to) + '&subject=' + encodeURIComponent(subject) + '&d=' + new Date().getTime().toString(), true);
...
How do I do word Stemming or Lemmatization?
...not forget to install the corpus before using nltk for the first time! velvetcache.org/2010/03/01/…
– Mathieu Rodic
May 10 '11 at 19:11
1
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Get value from SimpleXMLElement Object
...
silly question, but isn't that a bug? see php.net/simplexml#95762 why you don't have to cast type on some fields but on others you have to?
– gcb
Feb 16 '14 at 9:39
...
Breaking out of a nested loop
...;
Note that in C# 7 we should get "local functions", which (syntax tbd etc) means it should work something like:
// local function (declared **inside** another method)
void Work()
{
for (int x = 0; x < 100; x++)
{
for (int y = 0; y < 100; y++)
{
return;...
how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
...
If you're open to a PHP solution:
<td><img src='<?PHP
$path1 = "path/to/your/image.jpg";
$path2 = "alternate/path/to/another/image.jpg";
echo file_exists($path1) ? $path1 : $path2;
?>' alt='' />
</td>
////EDI...
How does the SQL injection from the “Bobby Tables” XKCD comic work?
...then a second statement follows. Most frameworks, including languages like PHP, have default security settings by now that don't allow multiple statements in one SQL string. In PHP, for example, you can only run multiple statements in one SQL string by using the mysqli_multi_query function.
You can...
Does MySQL foreign_key_checks affect the entire database?
...w, I imported the database without errors. Hope this could help:
Changing php.ini at C:\xampp\php\php.ini
max_execution_time = 600
max_input_time = 600
memory_limit = 1024M
post_max_size = 1024M
Changing my.ini at C:\xampp\mysql\bin\my.ini
max_allowed_packet = 1024M
...