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Why does modern Perl avoid UTF-8 by default?
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Declare that this source unit is encoded as UTF‑8. Although once upon a time this pragma did other things, it now serves this one singular purpose alone and no other:
use utf8;
Declare that anything that opens a filehandle within this lexical scope but not elsewhere is to assume that that strea...
How do I get an object's unqualified (short) class name?
... => array(),
);
for($r = 0; $r < $rounds; $r++){
$start = microtime(true);
for($i = 0; $i < $num; $i++){
$a->getClassReflection();
}
$end = microtime(true);
$res["Reflection"][] = ($end-$start);
$start = microtime(true);
for($i = 0; $i < $num; $i...
How can you profile a Python script?
Project Euler and other coding contests often have a maximum time to run or people boast of how fast their particular solution runs. With Python, sometimes the approaches are somewhat kludgey - i.e., adding timing code to __main__ .
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What's the main difference between int.Parse() and Convert.ToInt32
...hod has an overload for loads of types, there among them System.String, no time will be lost discerning the type. The actual code does nothing but return 0 for null values, and int.Parse(value, CultureInfo.CurrentCulture) for everything else.
– Andreas Eriksson
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What's the point of JAXB 2's ObjectFactory classes?
...ated constraints on the values that an element's contents can take on, sometimes you need to create actual JAXBElement objects. They are not usually trivial to create by hand, so the create* methods do the hard work for you. Example (from the XHTML 1.1 schema):
@XmlElementDecl(namespace = "http://w...
How to determine day of week by passing specific date?
...You can use java.util.Calendar:
Calendar c = Calendar.getInstance();
c.setTime(yourDate);
int dayOfWeek = c.get(Calendar.DAY_OF_WEEK);
if you need the output to be Tue rather than 3 (Days of week are indexed starting at 1 for Sunday, see Calendar.SUNDAY), instead of going through a calendar, just ...
What is the concept of erasure in generics in Java?
...really mean (i.e. what the type argument for T is) and verifies at compile time that you're doing the right thing, but the emitted code again just talks in terms of java.lang.Object - the compiler generates extra casts where necessary. At execution time, a List<String> and a List<Date> ...
Flattening a shallow list in Python [duplicate]
...ble avoids the unpacking and you should use that to avoid * magic, but the timeit app shows negligible performance difference.
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Twitter Bootstrap modal: How to remove Slide down effect
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@umassthrower this answer is pretty old, at the time of writing that choice did not exist.
– Andres Ilich
Apr 1 '13 at 4:28
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Eclipse cannot load SWT libraries
Every time I try to open Eclipse in Ubuntu 12.04 I get an Unsatisfied Link Error and it will not open. I have recently installed the java JDK and Android SDK, could this be the problem? I followed this tutorial .
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