nvm meaning

The difference and meaning of/i,/g,/ig,/gi,/m in regular expressions, Iggi The difference and meaning of/i,/g,/ig,/gi,/m in regular expressions /I (Ignore case)/g (full-text lookup occurrences of all matching characters)/m (Multi-line lookup)/gi (full-text lookup, ignore case)/ig (full-text lookup, ignore case) http://www.bkjia.com/PHPjc/1077539.html www.bkjia.com true http://www.bkjia.com/PHPjc/10

"Statement" The content of this post is copy, the source is the stack overflow.It has several meanings in Scala and all related to its mathematical meaning as implication. In a value, it introduces a function literal, or lambda. e.g. the bit inside the curly braces inList(1,2,3).map { (x: Int) => x * 2 } In a type, with symbols on both sides of the arrow (e.g. a = t , (b) + t , (a,b,c) = + T , etc.) It's sugar for function, that's, A Funct

An error occurred while reading a regular expression on the webpage. Let's take a look at the error. It is best to explain the meaning of each symbol. I am learning an example of a regular expression on the webpage, and an error has occurred. Let's take a look at the error. It is best to explain the meaning of each symbol. the div tag is being extracted and the content with the ID of PostContent is stored i

The meaning of the DiscuzX-custom function lies in getgpc () in function_core.php. what is the meaning of this function? Why use this function to obtain form parameters? Thank you ------ solution ------------------ In my opinion, it is mainly convenient to get variables that may be uncertain for get or post! Because $ _ REQUEST is not good ------ solution -------------- DiscuzX-

Perhaps read too many successful books, perhaps is surrounded by too many successful people, so that everyone is selling pointed head to the success of drilling, they unscrupulous, hard work, the steal, hardships to torture themselves desperately, just to let themselves in the community, get more names, get more benefit.If you think about it, the life of man is like a bucket to history, and our so-called glorious life is like a blip. There are so many great men in history who remember their name

Since high school has been thinking about the meaning of the so-called life, then came to the conclusion that it is not too late to go to college. Then I went to college in a strange sense.Actually thought before, but did not draw any conclusion, now think, this did not draw any conclusion is correct.Because for me personally, life has no meaning, often hanging in the mouth of the realization of life goals,

Parse the meaning of the XHProf Report field and the xhprof Report field. Parse the meaning of the XHProf Report field. the xhprof Report field FunctionName: method name. Cils: the number of times a method is called. Cils %: number of methods called at the same level of the total number of methods called XHProf resolution of the meaning of the reported field, xhp

PHP common error hint meaning explanation (practical!) Worth collecting), error tips worth collecting This article explains the meaning of common PHP error hints. Share to everyone for your reference, as follows: In the learning of PHP, often encountered a variety of error hints, today see this error hints and explanations feel very good, now turn around, for us to learn. Oh..... 1. notice:undefined variab

November, the winter solar term is just the relay stage of autumn and winter, the intensity of Siberian cold and Mongolian high pressure is obviously strengthened, and the cold front is the vanguard force, which affects most parts of our country. At this time the cold air brings us the weather feeling, in the normal year, is no longer the autumn wind send cool, but with the winter significance of the wind cooling. But if the climate is warmer, this season of transition, the intensity of cold air

Today in doing JMeter stress test also appeared before the usual anomalies, such as, for a long time do not get this, and a little overwhelmed, so simply to summarize the problem:I have written two articles before, and have studied this question, see the following connection:Connection 1:http://www.cnblogs.com/garinzhang/archive/2013/03/20/2970901.htmlConnection 2:http://www.cnblogs.com/garinzhang/p/jvisualvm_resolve_permgen_space.htmlThis time in the online search, want to completely solve this

The meaning of volatile is "volatile, easy to change". The meaning of this qualifier is to indicate to the compiler that the contents of a variable may change as a result of another program's modification. Usually when a variable is declared in a program, the compiler tries to store it in a general-purpose register, such as EBX. When the CPU puts its value in the EBX, it will no longer care about the value

The meaning of void Void is "no type" and void * is "no type pointer" and can point to any data type.void specification for use of pointersThe ①void pointer can point to any type of data, that is, the null pointer is assigned to a pointer of any data type. For example:int * PINT;void *pvoid;PVOID = pint; * * But can not pint= pvoid; */If you want to assign pvoid to other types of pointers, you need to force type conversions such as: pint= (int

Label: This paper first introduces the meaning of Ken_len in the query plan of MySQL, then introduces the calculation method of Key_len, and finally, through a fake example, shows how to see how many columns of the federated index are used by Key_len.The meaning of Key_lenIn MySQL, you can view the path to the SQL statement through explain, as shown here: Mysql> CREATE TABLE t (a int primary key,

, no basketball awareness, no team sense, I played the position is the defender, and this person really difficult to cooperate, and with the team members of the same without teamwork consciousness, which once made me very tangled , the result is that I am floating in an outside line, become a useless person. And then this guy can not see the past, said I do not play, people are lazy, Daladala, well, I did not explain, I admit very lazy, for a programmer, let's say that is his praise to me.By thi

The meaning and relationship of nal, slice and frame in H.NAL Nal_unit_type 1 (encoding strip for non-IDR images), 2 (coded stripe data split block a), 3 (coded stripe data split block B), 4 (coded stripe data block C), 5 (encoded stripe of IDR image) typesAndThree coding modes for slice species: I_slice, P_slice, B_sliceThere are 3 types of frame: what is the mapping between I-frame, P-frame, and B-frame?Finally, what frame does the 6 (SEI), 7 (SPS),

working directory, and the role of her and the built-in command pwd is the same.# echo ~+/var/log~-Last working directoryThis symbol represents the last working directory.# echo ~-/etc/httpd/logs; Semicolon (Command separator)In the shell, the symbol that functions as a "continuous instruction" is the semicolon. such as the following exampleCD ~/backup; mkdir startup; CP ~/.* startup/.;; Continuous semicolon (Terminator)Dedicated in case options, assume the role of Terminator.Case ' $fop ' inHe

The meaning of shell variable $#,[email protected],$0,$1,$2 in Linux is explained:Variable Description:$$The PID of the shell itself (ProcessID)$!PID of the Shell's last running background process$?End code of the last Run command (return value)$-Flag at a glance using the SET command$*All parameter lists. such as "$*" in the Case of "" ", in the form of" $ $ ... $n "output all parameters.[Email protected]All parameter lists. such as "[email protected

As a bridge between Java and database, JDBC is one of the foundation of Javaweb background, which needs us to be familiar with its principle and usage. JDBC General steps for using are: 1, the use of reflection loading driver, such as Class.forName ("Com.mysql.jdbc.Driver"); 2, access to the database connection objects, such as Java.sql.Connection conn = Drivermanager.getconnection (Url,user,password); 3, create statement objects or PreparedStatement objects, such as PreparedStatement ptmt=conn.

, "* * * * ..., is the Chinese people forwarding".) I am not the Chinese and not this text message, I just do not forward, do not waste 0.1 yuan, this message can make me how. I'd be a blue-eyed Yankee. So I don't think this kind of commentary makes any sense. ） Now to talk about my point of view, in fact, a word can refute the views of the forum. As we all know, the person who is not adaptable is to be eliminated after all. So I would like to ask the question is, since the C language outda

The information that can be understood is the useful information, this is the meaning of inforgraphics. What is infographics, simply, is the visualization of complex data, the real meaning of infographics is through the visualization of graphics, display the data contained in the things, its trend, distribution, its hidden meaning, or simple data beauty. The o