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Quicksort vs heapsort
...stand, but fast... read http://www.cs.utexas.edu/users/EWD/ewd07xx/EWD796a.PDF if you want something a bit more challenging to code.
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“Wrap with try…catch” in IntelliJ?
...ply
If you want to know default key strokes in Intellij Idea, check this pdf provided by Jetbrains
[Updated Link]
https://resources.jetbrains.com/storage/products/intellij-idea/docs/IntelliJIDEA_ReferenceCard.pdf
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Interface/enum listing standard mime-type constants
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I used this until I needed application/pdf mime type. Unfortunately, this class does not have a constant for pdf :(
– Dmitriy Popov
Mar 26 at 11:53
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Inline labels in Matplotlib
...inspace(0,1,500)
A = [1,2,5,10,20]
funcs = [np.arctan,np.sin,loglaplace(4).pdf,chi2(5).pdf]
plt.subplot(221)
for a in A:
plt.plot(X,np.arctan(a*X),label=str(a))
labelLines(plt.gca().get_lines(),zorder=2.5)
plt.subplot(222)
for a in A:
plt.plot(X,np.sin(a*X),label=str(a))
labelLines(plt.g...
How Do I Use Factory Girl To Generate A Paperclip Attachment?
...tory:
factory :attachment do
supporting_documentation_file_name { 'test.pdf' }
supporting_documentation_content_type { 'application/pdf' }
supporting_documentation_file_size { 1024 }
# ...
end
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User recognition without cookies or local storage
...hese)
Web Bugs (less reliable because bugs get fixed, but still useful)
PDF Bug
Flash Bug
Java Bug
Browsers
Click Tracking (many users visit the same series of pages on each visit)
Browsers Finger Print
- Installed Plugins (people often have varied, somewhat unique sets of plugins)
Cached ...
STL 算法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...>中则定义了一些模板类，用来声明函数对象
注意:
编译器无法检测出所传递的迭代器是一个无效形式的迭代器,当然也无法给出算法函数错误的提示,因为迭代器并不是真实的类别,它只是传递给函数模板的一种参数格式而已
STL...
企业级负载平衡简介 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...地大，从而使得单次哈希计算的速度变长，增加恶意人员破解密码的难度。反过来，如果有一百个人或者一千个人同时执行登陆操作，那么这么繁琐的哈希计算将导致登陆服务器产生“忙不过来”的情况。此时我们就需要使用负...
Create two blank lines in Markdown
...on-white-space. The benefit is that in Markdown flavours that include both PDF and HTML output options (including Rmarkdown), it should be understood in the same way for both output types, whereas I'm not sure how PDF output would interpret <br> or &nbsp;
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Reading and writing binary file
...using namespace std;
int main()
{
ifstream infile;
infile.open("source.pdf",ios::binary|ios::in);
ofstream outfile;
outfile.open("temppdf.pdf",ios::binary|ios::out);
int buffer[2];
while(infile.read((char *)&buffer,sizeof(buffer)))
{
outfile.write((char *)&buffer,sizeof...