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Linux 堆内存快照可视化，快照比较，跟踪内存变化，定位内存泄漏等问题 - ...
...p; #29 2^29内存满了重新打一个.heap快照文件
jeprof xxx -pdf xxx.heap > 1.pdf #分析.heap文件，可视化生成pdf
jeprof xxx -pdf --base xx1.heap xx2.heap > 2.pdf # 比较2个.heap快照文件，分析差别
安装依赖库：
gperftools
...
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
...y:(NSURLRequestUseProtocolCachePolicy) timeoutInterval:5];
15.UIWebView和html的简单交互
myWebView = [[UIWebView alloc]initWithFrame:self.view.bounds];
[myWebView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.baidu.com"]]];
NSError *error;
NSString *errorStri...
How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
...tp://www.oracle.com/technetwork/developer-tools/datamodeler/overview/index.html
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phantomjs not waiting for “full” page load
...tom js call back explicitly: phantomjs.org/api/webpage/handler/on-callback.html
– Andy Smith
Dec 4 '16 at 15:17
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How do I convert CamelCase into human-readable names in Java?
..., // [Class]
"MyClass", // [My Class]
"HTML", // [HTML]
"PDFLoader", // [PDF Loader]
"AString", // [A String]
"SimpleXMLParser", // [Simple XML Parser]
"GL11Version", // [GL 11 Version]
"99B...
Delete files or folder recursively on Windows CMD
...
For file deletion, I wrote following simple batch file which deleted all .pdf's recursively:
del /s /q "\\ad1pfrtg001\AppDev\ResultLogs\*.pdf"
del /s /q "\\ad1pfrtg001\Project\AppData\*.pdf"
Even for the local directory we can use it as:
del /s /q "C:\Project\*.pdf"
The same can be applied fo...
Disabling browser print options (headers, footers, margins) from page?
...d media (like paper). See http://www.w3.org/TR/1998/REC-CSS2-19980512/page.html.
Downside is that behavior in different browsers is not consistent. Safari still does not support setting printer page margin at all, but all the other major browsers now support it.
With the @page directive, you can spe...
How would Git handle a SHA-1 collision on a blob?
...ctual SHA-1 collision with shattered.io, where you can craft two colliding PDF files: that is obtain a SHA-1 digital signature on the first PDF file which can also be abused as a valid signature on the second PDF file.
See also "At death’s door for years, widely used SHA1 function is now dead", an...
Java Replacing multiple different substring in a string at once (or in the most efficient way)
...ngs_files/00989753.pdf
http://blog.ivank.net/aho-corasick-algorithm-in-as3.html
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How to retrieve the current version of a MySQL database management system (DBMS)?
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dev.mysql.com/doc/refman/5.0/en/installation-version.html is a 404.
– Funk Forty Niner
Nov 22 '16 at 15:58
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