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g++ undefined reference to typeinfo
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answered Nov 21 '08 at 0:42
paxdiablopaxdiablo
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iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...否交叉，是否重叠
CGRectZero//高度和宽度为零的，位于（0，0）的矩形常量
3.隐藏状态栏
[UIApplication sharedApplication] setStatusBarHidden:<#(BOOL)#> withAnimation:<#(UIStatusBarAnimation)#>//隐藏状态栏
4.自动适应父视图大小
self.view.autoresizesSub...
techniques for obscuring sensitive strings in C++
...m byte values and then compute key2:
key1[n] = crypto_grade_random_number(0..255)
key2[n] = key[n] XOR key1[n]
You can do this in your build environment, and then only store key1and key2 in your application.
Protecting your binary
Another approach is to use a tool to protect your binary. For i...
Is it possible to use 'else' in a list comprehension? [duplicate]
...e used in comprehension statements:
>>> [a if a else 2 for a in [0,1,0,3]]
[2, 1, 2, 3]
So for your example,
table = ''.join(chr(index) if index in ords_to_keep else replace_with
for index in xrange(15))
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Resizing an Image without losing any quality [closed]
...de = PixelOffsetMode.HighQuality;
gr.DrawImage(srcImage, new Rectangle(0, 0, newWidth, newHeight));
}
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JavaScript loop through json array?
...ke this:
var json = [{
"id" : "1",
"msg" : "hi",
"tid" : "2013-05-05 23:35",
"fromWho": "hello1@email.se"
},
{
"id" : "2",
"msg" : "there",
"tid" : "2013-05-05 23:45",
"fromWho": "hello2@email.se"
}];
You can loop over the Array like this:
for(var i = 0; i...
How to convert an xml string to a dictionary?
...reated. I've used it several times.
http://code.activestate.com/recipes/410469-xml-as-dictionary/
Here is the code from the website just in case the link goes bad.
from xml.etree import cElementTree as ElementTree
class XmlListConfig(list):
def __init__(self, aList):
for element in ...
Throw an error in a MySQL trigger
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60
Here is one hack that may work. It isn't clean, but it looks like it might work:
Essentially, y...
HTML list-style-type dash
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edited Dec 11 '15 at 0:42
Simon East
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Get specific line from text file using just shell script
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