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Good reasons NOT to use a relational database?
...he management of extremely large and complex data collections.
Think petabytes of NASA/JPL remote sensing data.
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Easy way of running the same junit test over and over?
...
Inspired by the following resources:
blog post
this solution
commented version
Example
Create and use a @Repeat annotation as follows:
public class MyTestClass {
@Rule
public RepeatRule repeatRule = new RepeatRule();
...
Python `if x is not None` or `if not x is None`?
...
There's no performance difference, as they compile to the same bytecode:
Python 2.6.2 (r262:71600, Apr 15 2009, 07:20:39)
>>> import dis
>>> def f(x):
... return x is not None
...
>>> dis.dis(f)
2 0 LOAD_FAST 0 (x)
3...
leiningen - how to add dependencies for local jars?
... I have to say maven strikes fear in my heart. If you know any simple step-by-step examples to do that, please point me to it. Why are builds so damn complicated in the java world?
– signalseeker
Mar 8 '10 at 21:55
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Why does the Scala compiler disallow overloaded methods with default arguments?
... would need a different naming scheme. But we want to keep
the generated byte-code stable over multiple compiler runs.
A solution for future Scala version could be to incorporate type names of the non-default arguments (those at the beginning of a method, which disambiguate overloaded versions) ...
send/post xml file using curl command line
...s as you need. Enclosing all post parameters in one large string separated by & does not work.
– hgolov
Jan 20 '14 at 12:24
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New features in java 7
...oductivity side, or they can really improve performance of programs? If no bytecode changes, can new language enhancements be used with bytecode marked as 1.5?
– Dmitriy R
Aug 11 '11 at 20:03
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Use JavaScript to place cursor at end of text in text input element
...rn(fn.call(elem, window.event)); });
}}
var element = document.getElementById('el');
addEvent(element,'focus',function(){
var that = this;
setTimeout(function(){ that.selectionStart = that.selectionEnd = 10000; }, 0);
});
<input id='el' type='text' value='put cursor at end'>
...
Image resizing client-side with JavaScript before upload to the server
...id="select">
<img id="preview">
<script>
document.getElementById('select').onchange = function(evt) {
ImageTools.resize(this.files[0], {
width: 320, // maximum width
height: 240 // maximum height
}, function(blob, didItResize) {
// didItResize will be t...
Iterate over a list of files with spaces
...oop (or are reading from STDIN in any other way), the input will be filled by the stuff you feed into the loop. (maybe this should be added to the answer?)
– andsens
Dec 12 '13 at 18:39
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