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Quickly find whether a value is present in a C array?
...ount / 8
pld [r1,#128]
ldmia r1!,{r4-r7} ; pre load first set
loop_top:
pld [r1,#128]
ldmia r1!,{r8-r11} ; pre load second set
cmp r4,r2 ; search for match
cmpne r5,r2 ; use conditional execution to avoid extra branch instructions
cmpne r6,r2
cmpne r7...
When should I use GET or POST method? What's the difference between them?
...ery string. So a POST request is a superset of a GET request; you can use $_GET in a POST request, and it may even make sense to have parameters with the same name in $_POST and $_GET that mean different things.
For example, let's say you have a form for editing an article. The article-id may be in...
What are the GCC default include directories?
...,-v -x c++ - -fsyntax-only
ignoring nonexistent directory "/usr/lib/gcc/x86_64-redhat-linux/4.8.2/include-fixed"
ignoring nonexistent directory "/usr/lib/gcc/x86_64-redhat-linux/4.8.2/../../../../x86_64-redhat-linux/include"
#include "..." search starts here:
#include <...> search starts here:...
.NET / C# - Convert char[] to string
...oin("", chars);
//we get "a string"
// or for fun:
string s = string.Join("_", chars);
//we get "a_ _s_t_r_i_n_g"
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How do you serialize a model instance in Django?
...ango.core import serializers
# assuming obj is a model instance
serialized_obj = serializers.serialize('json', [ obj, ])
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Why does comparing strings using either '==' or 'is' sometimes produce a different result?
... 23yr old Jack, but its not the same person.
class Person(object):
def __init__(self, name, age):
self.name = name
self.age = age
def __eq__(self, other):
return self.name == other.name and self.age == other.age
jack1 = Person('Jack', 23)
jack2 = Person('Jack', 23)
jac...
How to check if all elements of a list matches a condition?
... items = [[1, 2, 0], [1, 2, 0], [1, 2, 0]]
>>> all(flag == 0 for (_, _, flag) in items)
True
>>> items = [[1, 2, 0], [1, 2, 1], [1, 2, 0]]
>>> all(flag == 0 for (_, _, flag) in items)
False
Note that all(flag == 0 for (_, _, flag) in items) is directly equivalent to all(...
Force CloudFront distribution/file update
... it taking for the invalidation to take effect?
– ill_always_be_a_warriors
Jan 16 '13 at 0:57
21
...
How to update a menu item shown in the ActionBar?
...e-writing the desire text worked without problems:
if (mnuTopMenuActionBar_ != null) {
MenuItem mnuPageIndex = mnuTopMenuActionBar_
.findItem(R.id.menu_magazin_pageOfPage_text);
if (mnuPageIndex != null) {
if (getScreenOrientation() == 1) {
mnuPageIndex.setTitle...
ios app maximum memory budget
...
iPhone 5 crashes at ±645 MB.
– asp_net
Dec 15 '13 at 21:03
4
@JasperPol I've e...