大约有 15,700 项符合查询结果（耗时：0.0264秒） [XML]
What is the ideal data type to use when storing latitude / longitude in a MySQL database?
... this for a navigation database built from ARINC424 I did a fair amount of testing and looking back at the code, I used a DECIMAL(18,12) (Actually a NUMERIC(18,12) because it was firebird).
Floats and doubles aren't as precise and may result in rounding errors which may be a very bad thing. I can't...
Prevent any form of page refresh using jQuery/Javascript
...y available in Chrome, Firefox, and Opera.
var bc = new BroadcastChannel('test_channel');
bc.onmessage = function (ev) {
if(ev.data && ev.data.url===window.location.href){
alert('You cannot open the same page in 2 tabs');
}
}
bc.postMessage(window.location.href);
...
Django - How to rename a model field using South?
...I had a column with a uniqueness constraint, renamed it using this method, tested that the uniqueness constraint still existed and got an error but the name of the constraint itself was still using the old column name. Perhaps an explicit db.delete_unique and db.create_unique would have done it but ...
Error: request entity too large
... about this problem.
[edit - found the solution]
After some research and testing, I found that when debugging, I added app.use(express.bodyParser({limit: '50mb'}));, but after app.use(express.json());. Express would then set the global limit to 1mb because the first parser he encountered when runn...
How to display all methods of an object?
...sure there are others) are't normal objects. To see this, create a simple test script:
<html>
<body>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js"></script>
<script type="text/javascript">
$(functi...
Change case of a file on Windows?
...
@Alejandro What you say is wrong. I just tested it and git recognized the renaming without any problems. As in other cases the file is shown as removed / new in the index, but while committing, git notices, that it has just been renamed.
– Nils...
How to give Jenkins more heap space when it´s started as a service under Windows?
...lt;mavenOpts>-Xms512m -Xmx1024m -Xss1024k -XX:MaxPermSize=1024m -Dmaven.test.failure.ignore=false</mavenOpts>
Ensure to align these template entries with the VM setting of your system
share
|
...
Java: int array initializes with nonzero elements
...d at October 04, 2012, this bug was fixed at least for Linux OS (I did not test for other). Thanks to @Makoto, who found that this bug is no longer available for public access in Oracle bug database. Unfortunately, I do not know for the reasons Oracle removed it from public access, but it is availab...
Image fingerprint to compare similarity of many images
...re() function instead of having to download the image first. Also, from my testing, the threshold for "a very similar image" should be >90%, not >98%.
– thdoan
Jul 16 '16 at 7:13
...
What does it mean when an HTTP request returns status code 0?
... It is worth a lot: it is exactly what was misfiring in my automated tests. Thanks a lot!
– alexfernandez
Nov 25 '11 at 23:06
...