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Check image width and height before upload with Javascript
...on't think apple ever gonna release 6.0 for windows. 5.1.7 have been the latest verson of safari from soooo long ago
– Seho Lee
Nov 28 '12 at 11:59
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How to use the C socket API in C++ on z/OS
...d quite often that a feature that you want to use is guarded by a "feature test macro"
You should ask your friendly system programmer to install the XL C/C++ Run-Time Library Reference: Man Pages
on your system. Then you can do things like "man connect" to pull up the man page for the socket conn...
Split function equivalent in T-SQL?
...(@delimiter, @str, b+1) + LEN(@delimiter). The b+1 makes a big difference. Tested here with space as delimiter, didn't work without this fix.
– JwJosefy
Dec 19 '16 at 17:47
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Most efficient way to prepend a value to an array
...
I have some fresh tests of different methods of prepending.
For small arrays (<1000 elems) the leader is for cycle coupled with a push method.
For huge arrays, Unshift method becomes the leader.
But this situation is actual only for Chrome...
Spring @Transactional - isolation, propagation
...art in the same transaction.
We can easily verify the behaviour with a test and see how results differ with propagation levels:
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations="classpath:/fooService.xml")
public class FooServiceTests {
private @Autowired Transaction...
Does python have a sorted list?
...ue using a regular list. You'd have to write your own efficient membership test that makes use of the queue's internal structure (that can be done in O(log n), I'd say...). There is one downside: extracting a sorted list has complexity O(n log n).
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What is Activity.finish() method doing exactly?
...
I tested again, and found that onPause(), onStop() and onDestroy() will all be called in order after you call finish().
– Sam003
Jul 13 '15 at 23:55
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How to create PDFs in an Android app? [closed]
...vertion of an arbitrary HTML to PDF with non-english letters in Android. I test it for russian unicode letters.
We use three libraries:
(1) Jsoup (jsoup-1.7.3.jar) for a convertion from HTML to XHTML,
(2) iTextPDF (itextpdf-5.5.0.jar),
(3) XMLWorker (xmlworker-5.5.1.jar).
public boolean crea...
Windows: XAMPP vs WampServer vs EasyPHP vs alternative [closed]
...ure project compared to XAMPP.
They have a wiki where they list all the latest versions of packages. As the time of writing, their newest release is only 4 days old!
Versions in Uniform Server as of today:
Apache 2.4.2
MySQL 5.5.23-community
PHP 5.4.1
phpMyAdmin 3.5.0
Versions in XAMPP as o...
How do I replace NA values with zeros in an R dataframe?
...ults.
If you are struggling with massive dataframes, data.table is the fastest option of all: 40% faster than the standard Base R approach. It also modifies the data in place, effectively allowing you to work with nearly twice as much of the data at once.
A clustering of other helpful tidyverse ...