swiss army knife flash drive

the class distribution in heap memory. The usual tool we used before was jmap to use Jcmd to dump heap memory GC.heap_dump . ➜ ~ jcmd 3426 GC.heap_dump test.dump 3426: Heap dump file created Typically, in dump heap memory money will trigger a full GC, and if you do not want to trigger the full GC, you can specify the parameters all=true , namely: ➜ ~ jcmd 3426 GC.heap_dump test2.dump -all=true 3426: Heap dump file createdMemory usage of the statistics heap Dump heap memory and analysis is

Swiss Army Knife protocol-ICMP ICMP protocol An important supplement to the IP protocol is the ICMP protocol. ICMP (Internet Control Message Protocol) is a Protocol between the network layer and the transport layer. Its main function is to transmit network diagnostic information. ICMP transmission information can be divided into two types: error information, w

"Design mode" This word almost become synonymous with software design, many people very naïve thought mastered the design model to master the software design , but in fact, if only to grasp the design mode, the software design door has not touched!========================================================Talk about the design pattern, it is almost nobody knows, no one does not know, the famous " GOF "(Chinese some translated as" Gang of Four ") the work of the world, really" never know GOF , learn

The Swiss Army Knife mentioned here refers to the work that a simple command can complete a large piece of code in other advanced languages. The following content is a summary of Joshua Levy on Quora: Use sort/uniq to obtain the intersection, collection, and differences of the file content. Assume there are two text files, a and B, and the file itself has alread

Netcat is the Swiss Army knife in the network tool. it can read and write data in the network through TCP and UDP. By combining with other tools and redirection, you can use it in multiple ways in the script. What the Netcat command can do is surprising. What Netcat does is to create Netcat is the Swiss

Swiss Army knife on Android phone, an integrated shell environment. No need to phone root, like the Ubuntu apt package management mechanism, can install PHP,PYTHON,CURL,GIT,OPENSSH and many other tools.How to InstallApt Install phpapt install pythonapt install gitapt install curlapt install XXXUnfortunately, the source of foreign is the wall, you need to help the

The "Swiss Army Knife" here refers to the work of a simple command that can complete a large chunk of code in other high-level languages. The following content is a summary of the Joshua Levy on Quora's website: Get the intersection, collection, and difference of the contents of the file through Sort/uniq: Suppose there are two text files in a and B, the file i

Saber is a tool of many uses, its function is comprehensive, the design is exquisite, and easy to carry. A knife in the hand, making you seem to have a universal toolbox. 9.1 Design Ideas Modeling Outstanding army Knife shape exquisite, full-featured features. "Blade" Using metal material, "knife body" use red plasti

Quick to useIn the Anaconda integrated Environment Spyder, you canPreferences > IPython Console > Advanced Settings > Use symbolic MathTo activate the IPython ' s Symbolic PYthon (sympy) moduleThis module allows you Spyder to Latex render a very beautiful mathematical expression in style, and IPython automatically imports some basic symbol objects at the terminal when it is launched.>>> fromimport division>>> fromimport *>>> x, y, z, t = symbols(‘x y z t‘)>>> k, m, n = symbols(‘k m n‘, integer=T