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Compare (value1,value2) { return value2-value1; } Values.sort (Compare); //15,10,5,1,0f. Method of Operation 1.concat () method: (It does not affect the original array) var num = [1, 2,3]; var num2 = Num.concat (4,[5,6]); alert (num2); 1,2,3,4,5,62.slice () Method: (It does not affect the original array) var num3 = Num2.slice (1,4); alect (num3); //2,3,4 NOTE: If the parameter has a negative number, use the length of the array to determine the corresponding position 3. Splice

or $ xxx is equal to 3, run code, If $ xxx is not equal to 1 or 3, and is equal to 2, code B is executed, Two Variables PS: if the $ xxx variable is equal to 1 or $ ooo is equal to 1, run code, If $ xxx is not equal to 1, $ ooo is not equal to 1, $ xxx variable exists, and $ ooo variable does not exist, execute B code. After rea

The distribute by in hive controls how to split data on the map end to the reduce end.Hive distributes data based on the number of reducers in the column after distripartition by. The hash algorithm is used by default. To test distridistributed by, you must allocate multiple reduce nodes for processing. Otherwise, the effect of distridistributed by cannot be seen. Hive> select * From test09;OK100 Tom200 Mary300 Kate400 timTime taken: 0.061 seconds Hive> insert overwrite local directory '/home/hj

as you can endure the beauty of the pirate. People can see clearly that law enforcement (tomato garden), technology (WGA and OGA), and education (focusing on student education first) are Microsoft's "Trilogy" against piracy ". If we do not distinguish genuine and pirated people, how can we start education? Most commercial software vendors have adopted this "trilogy" to fix piracy. We have to support Microsoft's WGA and OGA technical measures against the tomato garden, which cannot be shaken. Mi

Escape Character Table This all of the escape sequences Ruby supports. you may not use cases of these, but memorize their format and what they do anyway. try them out in some strings to see if you can make them work. Escape What it does. \\ Backslash () Backslash "\" \' Single-quote (') single quotes \" Double-quote (") double quotation marks \ Bell in ASCII Bell (BEL) ASCII code \ B Space in ASCII backspace (BS) ASCII

}); this. card = $. computed (function () {return this. fullname () + ""}, this)} var A = new myviewmodel (); // =============== test code ===============$. log (. firstname () // planet $. log (. lastname () // Earth $. log (. fullname () // planet Earth is calculated using the above two methods. fullname ("xxx yyy"); // The firstname and lastname will be automatically updated when fullname is updated. log (. firstname () // XXX $. log (. lastname () // yyy. firstname ("

Escape What it does. Meaning \\ Backslash () Back slash \‘ Single-quote (') Single quotation marks \" Double-quote (") Double quotes \a ASCII Bell (BEL) Bell character \b ASCII Backspace (BS) Backspace \f ASCII FormFeed (FF) Paper Feed character \ n ASCII linefeed (LF) Line break \n{name} Character nam

board is pasted, you need to use a knife or a small planer to flatten it. At the end of the ship, you need to use a wooden pin and a knife to sharpen it according to the hull line. In order to improve the hull strength and enhance water tightness. A thin cloth or gauze can be pasted on the outside of the shell board with fast-drying glue, transparent cloth oil or varnish. After drying, it can be coated with putty, polished, painted and beautified. It is made of metallic materials in a similar w

The difference between TVs diodes and Zener diodesWhen the TVs tube exceeds its withstand voltage, it will momentarily short-circuit the reaction speed at the NS level,And the regulator is the regulator, more than its voltage regulator value, as long as the power does not exceed its tolerance value, it will be stable in its regulated value range.TVS is a transient suppression diode that is mainly used to suppress instantaneous voltage spikes and reduc

output capacity can not do the double pole so large. The output capability looks at the area of the IC's internal output pole N tube p tube. Compared with the open-drain output, the high and low level of the push-pull is determined by the IC's power supply, and cannot be simply done by logic operation. The Push-pull is now the most used output stage design in CMOS circuits.Of course, open drain is not with

transient)Persistent: Persistent state(and the database records the PO instance that you want to insinuate, its state is persistent, the objects obtained by get and load are all persistent)Detached: off-tube or Free State(1) When the PO objects obtained through the Get or load methods are persistent, but if the delete (PO) is executed (but the transaction cannot be performed), the PO status is detached, (indicating and session out of association), A

transient)Persistent: Persistent state(and the database records the PO instance that you want to insinuate, its state is persistent, the objects obtained by get and load are all persistent)Detached: off-tube or Free State(1) When the PO objects obtained through the Get or load methods are persistent, but if the delete (PO) is executed (but the transaction cannot be performed), the PO status is detached, (indicating and session out of association), A

The motherboard does not light maintenance methods: Example 1. A pci1600-f motherboard is not lit. First of all, visual inspection, found that the Power control IC U24 (AIC1569) surface has burned traces, welding U24, check the peripheral circuit did not see abnormal. The board returned to normal after replacing the U24. According to the user reflects this problem is more common, AIC1569 purchase is more problematic, I found from the data can be used HIP6004 directly substitute it. Example 2.

following reasons: 1. Power shortage of AC power supply The external power supply is not enough, causing some old display or some power-consuming monitor can not start normally, it is one of the reasons of black screen fault caused by the monitor's own fault. or external power supply voltage instability, too low can cause the monitor does not work. 2. Power switch Circuit damage The failure of the display switch circuit is the main cause of the failure of the monitor's black screen. Simple,

subkeys (except the root item, which has no parent). Tiered data exists in many database based applications, including categories in forums and mailing lists, business organization charts, classification of content management systems, and product classifications. We intend to use the following product categories for a fictitious electronic store: These classifications are similar to the hierarchy of classifications in some of the examples mentioned above. In this paper, we will start from the

There are 3 types of Hibernate objects: Transient (Transient), persistent (persistent), and off-state (Detached). Objects that are in persistent state are also known as PO (Persistence object), and instantaneous and de-tube objects are also known as VO (Value object).instantaneous StateA Java object that opens up memory space by the new command,eg. person person = new person ("xxx", "xx");if the object is not referenced by a variable, it will be recla

=5.4,2,30.2,4,0,6,7.7,3.8,2,3,4 Use the following parameter to get the picture above: I now want to get to such as 5.4 inside, I divided into three properties, and display the name of each column, how to improve the code. And the following types are not limited, such as steel pipe, aluminum tube, copper tube, gold tube, ... There are a number of. But there ar

service" text production:① Level 1-dark blue text: use a text tool to write the four words "ultimate service". The Source font is thick and the font size is 105. Fill in the dark blue:② Second-Tube: Press ctrl again, click the text layer to form a selection box, create a new layer, make a light blue 3-like sketch edge on the new layer, the layer is named as the tube. As follows:Select this l

From: http://hehongqing168.blog.163.com/blog/static/19687667200962754425274/ 1. If you enter a high level, and the output requires a low-power period, select the first line of the line. 2. If you enter a low-level device and the output requires a low-level device, select PNP first. 3. If you enter a low level, and the output requires a high-power period, select the first line of the line. 4. If you enter a high level and the output requires a high level, select PNP first. High voltage, polar e

REFORM-3PC.V7.0FRNC-5PC.V8.0 General Heating Furnace Process Calculation Software REFORM-3PC hydrocarbon steam Conversion Furnace section Rating Program steam hydrocarbon reforming simulation program REFORM-3PC is a rating program for the firebox sections of steam-hydrocarbon reformer furnaces, which areUsed in hydrogen, ammonia and oxo-alcohol production. Based on user-supplied furnace geometry and ProcessInformation, the program calculates operating parameters such as firing rate, furnace effi