大约有 40,000 项符合查询结果(耗时:0.0435秒) [XML]
PHP expresses two different strings to be the same [duplicate]
...
This is what it is seeing:
http://www.wolframalpha.com/input/?i=608E-4234&dataset=
http://www.wolframalpha.com/input/?i=272E-3063
As they don't fit into the variable, they both equate to 0, or whatever default value php chooses, and therefore are equival...
Select something that has more/less than x character
...ngth(), mysql also uses Length.
Here is the Oracle documentation:
http://www.techonthenet.com/oracle/functions/length.php
And here is the mySQL Documentation of Length(string):
http://dev.mysql.com/doc/refman/5.1/en/string-functions.html#function_length
For PostgreSQL, you can use length(string...
Difference between Observer, Pub/Sub, and Data Binding
...atterns: Designing, Building, and Deploying Messaging Solutions" -
http://www.addison-wesley.de/9780321200686.html
This book contains a lot of ideas about how to send messages between processes or classes that can be used even in intra-process communication tasks (it helped me to program in a more...
How to disable HTML links
...doesn't seem to play nice. This example works:
<a id="a1" href="http://www.google.com">Google 1</a>
<a id="a2" href="http://www.google.com">Google 2</a>
$('#a1').attr('disabled', 'disabled');
$(document).on('click', 'a', function(e) {
if ($(this).attr('disabled') == 'd...
How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
...ry provides architecture-independent size and endian support.
wget http://www.mr511.de/software/libelf-0.8.13.tar.gz
tar zxvf libelf-0.8.13.tar.gz
cd libelf-0.8.13
./configure --disable-shared --enable-static --prefix=/tmp/gcc
make && make check && make install
GCC
GCC is the GNU...
How to find children of nodes using BeautifulSoup
...tion in the DOCs that shows how to find/find_all direct children.
https://www.crummy.com/software/BeautifulSoup/bs4/doc/#the-recursive-argument
In your case as you want link1 which is first direct child:
# for only first direct child
soup.find("li", { "class" : "test" }).find("a", recursive=False...
What is the correct value for the disabled attribute?
...
HTML5 spec:
http://www.w3.org/TR/html5/forms.html#enabling-and-disabling-form-controls:-the-disabled-attribute :
The checked content attribute is a boolean attribute
http://www.w3.org/TR/html5/infrastructure.html#boolean-attributes :
The pre...
How to get current CPU and RAM usage in Python?
...0.aspx
"individual process information and python script examples"
http://www.microsoft.com/technet/scriptcenter/scripts/default.mspx?mfr=true
NOTE: the WMI interface/process is also available for performing similar tasks
I'm not using it here because the current method covers my needs, bu...
Node.js/Express.js App Only Works on Port 3000
...
In bin/www, there is a line:
var port = normalizePort(process.env.PORT || '3000');
Try to modify it.
share
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improve this answe...
How do you create a REST client for Java? [closed]
...ustomer(Customer customer) {
try {
URL url = new URL("http://www.example.com/customers");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoOutput(true);
connection.setInstanceFollowRedirects(false);
connection....
