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Look at the following two ways to implement: JS checkbox method One:Copy CodeThe code is as follows: function Checkall () {var code_values = document.all[' Code_value '); if (code_values.length) {for (Var i=0;iif (code_values.length) {for (Var i=0;icode_values[i].checked = false; }}else{code_values.checked = false;}} function Multipledelete () {var num = 0; var code_values = document.all[' Code_value ']; if (code_values.length) {for (Var i=0;iDocument. Bucodesearch.submit (); }} JS checkbox Meth

Eclipse Chinese Garbled Solution summary (should be compared full, welcome to add):Method One:Change the GBK into a utf-8.Method Two:Window->preference->general->content types->text-> each file to Utf-8, remember to update to take effect.Method Three: Right-click a file, select Properties, select utf-8Method Four: Right-click the project, select Properties, select Utf-8.Method Five:Window->preference->general->workspace->other changed to Utf-8.Eclipse Chinese garbled resolution rollup (should

(F);EndEndfunction Encrypt (mstr:string; mkey:string): string;VarI, J:integer;BeginJ: = 1;Result: = ';For I: = 1 to Length (MSTR) does beginResult: = result + Char (ORD (Mstr[i]) XOR Ord (Mkey[j]));If J + 1 INC (J)else J: = 1;End{Add your own steps}Endfunction Decrypt (mstr:string; mkey:string): string;VarI, J:integer;BeginJ: = 1;Result: = ';{Add your own steps}For I: = 1 to Length (MSTR) does beginResult: = result + Char (ORD (Mstr[i]) XOR Ord (Mkey[j]));If J + 1 INC (J)else J: = 1;EndEndProce

Windows), if there is an incorrect place, please correct it.Note: The above decision on whether the object is on the heap should be wrong, because heap memory is not contiguous memory, internal is through a similar list of structure to implement the,Http://www.cppblog.com/weiym/archive/2012/05/12/174657.htmlIn fact, to determine whether an object is on the heap or on the stack is not so complex, because the default stack address is fixed, the stack space up to 1MB, if more than 1MB will cause t

" "get all connections to the current page" "ImportRequestsImportRe fromBs4ImportBeautifulSoup fromlxmlImportetreeURL='http://www.ok226.com'R=requests.get (URL) r.encoding='gb2312'#use Re (too yellow too violent!) )Matchs = Re.findall (r"(? ", R.text) forLinkinchMatchs:Print(link)Print()#using BEAUTIFULSOUP4 (DOM tree)Soup = BeautifulSoup (R.text,'lxml') forAinchSoup.find_all ('a'): Link= a['href'] Print(link)Print()#using Lxml.etree (XPath)Tree =e

Linux viewing System Information commands are essential for Linux beginners, and these commands are also useful because the first thing you can do to get into Linux is to look at the system information first, so the necessary systems to learn about these Linux System Information commands are very necessary! In addition to the Linux distribution of the more commonly used System Information query command, you can refer to, but also can test learning, when necessary man, must learn to use the man c

do not meet the criteria for the join criteria. The full outer join also returns the data rows in the left table that do not meet the criteria for the join criteria, and also returns the non-conformance in the right tableThe data row that the Join condition list conforms to the query criteria. The full outer join is actually a mathematical collection of upper left outer joins and right outer joins (removing duplicates), i.e. "all outside = left outer

/usr/local/mongodb/mongodbserver/etc/ MONGODB.CONF} Stop () { /usr/local/mongodb/mongodbserver/bin/mongod--config/usr/local/mongodb/ mongodbserver/etc/mongodb.conf--shutdown } case "$" in start) start ; Stop) stop ;; Restart) stop start ;; *) Echo $ "Usage: $ Start|stop|restart}" exit 1 4. After the save is complete, add the script execution permission, the command is as follows: chmod +x/etc/rc.d/init.d/mongod5. Start Mongodb,service Mongod start as shown,