????? ?? ???? ?????. 2. ?? ?? ?? ?? ??? ?????. 3. ?? ?? ??? ??????. 4. ?? ?? ??? ???? ?? ? ??? ?? ? ? ????. 5. ??, ?? ???, ?? ?? ?? ?? ?? ?? ? ?? ?? ???? ???? ???? ? ???? ????? ???? ?? ??? ? ?????.
Aug 06, 2025 pm 05:16 PMgmail, Outlook, Spark)? ?????. 2. INSTALLANDSETUPTHEAPPVIATHEPPSTORE; 3.GOTOIPHONESETTINGS, SELECTTHEAPP, ? "DefaultMailApp"TOASSIGNIT; ? ???, emaillinksand "SendEmail"??? ??????
Aug 06, 2025 pm 05:15 PMuseflexboxwithdisplay : flex, ???-??? : ??, ????-?? : ???, ??? ????; 2.usecssgridwithdisplay : ??? ?? ??-?? : CenterforConcise, ??? layoutcontrol; 3.useabsolutepositioningwithtop : 50%? ?? : ??
Aug 06, 2025 pm 05:13 PMrecursioninjavaScriptisAteChniqueWereftCallsitTOSOLVEAPROBLEMBYINGITINTOSMALLERSUBPROBLEMS, volvolvingtwokeycomponents : 1) AbaseCaseTSTOPSOPSOPSIONTOPRECURSIONTOPREVERVENTINFINITELOPSANCOVERFLOW ? 2) ARECOSEWERETHERFUN
Aug 06, 2025 pm 05:12 PM??? ?? ???? ??? ??? HTML, CSS ? ??? JavaScript? ???? ??? ???? ????? ? ?? ? ?? ??? ???? ????. 1. ???? ???? ?? ? ?? ?? ??? ??????. 2. ??? ????? ??? ???? CSS? ?? 3 ?? ???? ?????. 3. CSS ??? ???? ?? ???? 45?? ?? ? ? ?? ??? ?? ???? 45? ?????, ??? ?? ?? ???? 45? ???? ?? ?? "x"??? ???? ?? ???? ??? ????. 4. JavaScript? ???? ?? ???? ???? ?????? ??????. 5. ??? ??? ????? ?? @Media (?? ?? ?? : ??)? ?????. ??? ???? ?? ?? ?????
Aug 06, 2025 pm 05:11 PMtheElementCapturesUserInputwithTypesliketext, ???, ??, ?? FreeTextEntry.2.theelementProvideAsetofSuggestEdValuesforan, DisplayEdAsadropDownWhenthEusErsTyping.3.3.3.
Aug 06, 2025 pm 05:09 PMstartwithbasicselectqueriesusingffrom, ???, orderby, andlimit ? practicefilteringwithdistinct, in, in, andnullhandling.2.useAggregateFunctions (count, sum, avg, min, max)? ??,
Aug 06, 2025 pm 05:06 PMHTML? ? ?? ?? ?? ??? ?????. 1. ?? ?? ()? ???? ??? ??? ???? ?? ??? ??? ?? ???? ????? ???? ??? ?????. 2. Unordered List ()? ??? ???? ???? ?? ? ???? ???? ????? ???? ?? DOT ??? ?????. 3. ?? ?? ()? ?? ?? FAQ? ??? ?? ?? ? ?? ??? ??? ?? ? ??? ?????. ? ?? ??? ??? ??? ???? ?? ?? ?? ? ? ????.
Aug 06, 2025 pm 05:04 PMthe elementisusedTorePresentDates ? Amachine-ReadableFormatwhuman-ReadableText, SEO, ? DatainterOperability.1.Itenablesmacine-ReadabledatesThedateTimeattriver, AidingsearchEngines, CalendarIntegration, CalendarIntegration,
Aug 06, 2025 pm 05:03 PM?? ??? ??? ?? ???? ??????? ?? ??? ???? ???????. 1. Information_schema.columns? ???? MySQL, PostgreSQL, SQLServer ?? ??? ??? ??? ?? ? ?????? ??? ??????. 2. PostgreSQL? PG_CATALOG ??? ???? ?????? ??? ??? ?? ? ????. 3. SQLServer? sys.columns and sys.tables query? ?? ? ? ?? ??? ?? ? ????. 4. MySQL? information_schema.columns? arribute_maximum_length ? ?? ??? ?? ? ? ????.
Aug 06, 2025 pm 05:02 PM?? ???? quallareusedtoenforcedataintegrity, ensureaccuracy ? maintainconsistencybyprecreventinginvaliddataentry.1. nontnullensuresacolumncannothavenullvalues; 2.unique -guaranteesAllcolumnValuesaredistinct;
Aug 06, 2025 pm 05:01 PM??? HTML? ???? ????? ??? ???? ???, SEO ? ?? ???? ???? ? ??? ??? ???? ????????. 1. ?? ????? ??? ???? ???? ??? ????? ???? ??????. 2. ???? ? ??? ??? ???? ?? ?? ??? ???? ?????. 3. ?? ????? ??? Aria-Label? ????? ??? ???? ??? ???? ??????. 4. ?? ?? ??? ??? ???? ???? ?? ?? ??? ?????. 5. ??? ??? ?? ??? ????? ?? SkipLink? ??????. ? ??? ???? ???? ???? ??? ???? ?? ????? ?? ?????.
Aug 06, 2025 pm 04:59 PM??? ?? ??? @interface? ?? ???? ???? ?? ??? ?? ? ? ????. 2. @Target? ???? ?? ?? ???? ?? ?? ???? ??? ?????. 3. @retention (???)? ???? ???? ??? ?? ??? ????. 4. ?? ??? ?? ???? ??? ?? ??????. 5. ??? ??? ????? ?? ?????? ???? ? ??? ? ??? ??? ??? ?? ?????.
Aug 06, 2025 pm 04:57 PMusetheview () helperwithanarraytopassdatadirectely.2.utilizethewith () methodtopassdataindividestallyStorcorasanArray.3.applyTheCompact () functionForConciseCodewHenvariaBleanDkEynamesMatch.4.shareglobaldAcrossViewSusingView ()-??
Aug 06, 2025 pm 04:52 PMclamp()inCSSenablesfluid,responsivetypographybysettingavaluebetweenaminimum,preferred,andmaximumsize;1.Useclamp(min,preferred,max)todefinescalablefontsizes;2.Setminandmaxinremforaccessibility;3.Usevwinthepreferredvaluewitharemoffsetforsmoothscaling;4
Aug 06, 2025 pm 04:51 PMauto-incrementingprimarykeysinmysqlaremanagedeffectiveficipicallyfollowingkeypractices : 1. undatauto_incrementensuresunique, monotonically-increasingids, withgapsbeingnormalduetorollbacks, deletions, orfailedinserts.2
Aug 06, 2025 pm 04:50 PMMySQL? ?? 8.0.16?? ???? ??? ???? ?????? ?? ?? ??? ?????. 1. ?? ??? ? ?? ??? ?????? : CreateTable? ???? ≥18, ??> 0, ?? ?? ?? ?? ?? ??? ??????. 2. ?? ??? ???? ?? ???? ??????. AltertableAddConstraint? ???? ?? ?? ?? ??? ?? ?? ?? ??????. 3. ??? ?? ?? : ?? ?? ≥ ???? ?? ? ?? ??? ?? ?? ? ?? ? ??? ??????. ?? ???? ?? ??? ??????. 4. ?? ?? ?? : altertabledropconstraint? ???? ??? ??? ?????. 5. ?? : MySQL8.0.16, Innodb ?? Myisam? ???????.
Aug 06, 2025 pm 04:49 PMthemedodattributeinanhtmlformdatermineshowformdataissentTotheserUsingeTergetOrpost.1.usemethod = "get"toAppendDatoTheUrlasaQueryString, ??? fornon- ???, idempOtentRequestSlikeSearches, butlimitedByUrllength.2.usemethod = "
Aug 06, 2025 pm 04:47 PMformysql, createeafull-textindexusing $ table-> fullText ([ 'title', 'content']) inmigrationandandUsewhereWhereFullText ([ 'title', 'content'], $ SearchTerm) inlaravel8 forfull-textearchwithBooleanModesUpport; 2.forpostgresql, createAnginviAdb
Aug 06, 2025 pm 04:44 PMTheroleofadatabaseadministrator (DBA) inasqlenvenvironmentistoensuredatabasesaresecure, ?? ??, ??? ? ?? ??
Aug 06, 2025 pm 04:43 PMHTML5? ???? ??? ?? ??? ????? ??? ?? ?? ??? ??? ??? ?? ?? ??? ?? ? HTML ??? ???????. 2. CSS? ?? ?? ???? ??? ????? ??? ????????. 3. JavaScript? ???? ?? ?? ??, ?? ??, ?? ?? ? ??? ??? ??????. 4. ????? ?? ??, ?? ??, ??? ??? ? ?? ?????? ?? ??? ??? ?????. ????? HTML, CSS ? JavaScript? ??? ?? ???? ??? ??? ??? ???? ??? ????? ???? ???? ??? ???? ?? ??? ???? ???, ??? ? ??? ?? ??????? ???????. ? ??? ?????? ???? ?? ???? ??? ? ????.
Aug 06, 2025 pm 04:41 PM????? : noneremovestHeelementfromlayoutandtakesupnospace, MakingItinAccessibleToScreenReaders; 2. Visibility : HiddenHidesTheelementButPreservesItsSpaceInlayoutAndUsallyStickscreenReaders; 3. theHiddenAttributeFunctionsLikedisPlay : Remov
Aug 06, 2025 pm 04:40 PM??? ??? HTML ??? ?? ??? ???? ??? ????? ?? ??? ? ????. plug-xmltools ????? ???? ?? ?? HTML? ???? ?? ??? ??? ?????. text ??? ?? ?? autohotkey? ?? ??? ???? ?? ?? ? ?? ????? ?? ??? ?? ???? ?????. ?? ?? ??? HTML? ??? ? ?? ??? ?????? ????? ?? ??? ???? ? ???, ????? ????? ?? ???? ??? HTML ?? ??? ????.
Aug 06, 2025 pm 04:37 PM?? ?? ??, DDL ? ?? ? ??? ??? ????? ???? ???? ?? ???? ??? ?? ?? SQL? ???????. sqlserver?? quotename () ? sp_executesql? ??? ???? ?? ?? ???? ???????. Oracle??? DBMS_ASSERT ? EXECUTEIMMEDIATE? ???? ??? ??? ???????. ?????? ???? ?? ??? ? ??? ?????? ??? ??? ? ??? ??????? ?? ???????. ?? ??? ??? ?? ? ??? ?? ??? ??? ???? ???? ?? ?? ??? ???? STATIC SQL? ?? ??? ???? ??? ??????.
Aug 06, 2025 pm 04:30 PMSQL?? ?? ?? ????? ??? ?? ?? ?? ??? ????. 1. ??? ?? ??? ?? ?? ?? ?? ?? ?????.? ?? ?? ??, ?? ??? ?? ? ????? ??? ?????. 2. ? ?? ??? ? ? ?? ?? ?? ?? ?? ?? ? ??? ???? MySQL ??? ?? ??????? ?????? ????? SQLServer??? ???? ?? ? ????. 3. ? ?? ?? (?? ?? ?? ?? ??)? ?? ?? ?? ?? ????, ?? ?? IN, NOTIN, ??, ??, ?? ? ?? ???? ???? ?? ??? ??? ??? ?? ??? ?? ?????. 4. ??? ?? ?? (?? ?? ???, ?????)? ?? ?? ?? ????, ?? FROM ??? ?? ???? ???? ????? ???? ?? ?????.
Aug 06, 2025 pm 04:28 PMCSStransitionSenablesmoothPropertyChangesonStatechangeS.1.Usetheshorthandsyntax : ?? : PropertyDurationTiming-FunctionDelay; ForsingleArmultipleProperties, AllunlessNecessary.2.applyTransitionStobasestyles (Nothover) forsmoothtwo-way
Aug 06, 2025 pm 04:26 PMthetAgisusedTodisplaytheresultofacalculationoruserActioninaform, suleashowingSumoftWoinputValuesInRealTime.2.itprovidessEmanticmeaning, thatHeContISDynamicOutputRatherThanTHATTACTEXT.3.Theforatts.3
Aug 06, 2025 pm 04:22 PMformysql8.0andlater, usethesum () windowfunctiontocalculatearunningtotaleficibully and reliably.2. forversionsfore8.0, simulatetherningtotalusinguservariableswithacrossjointoinitializethevariable.3.avoidcorrelatedSubqueriesinficientureforlarged
Aug 06, 2025 pm 04:21 PMthecrossoriginattributeinhtml5controlscross-originresource handlingbysecifice and howcorspoliciesareapplied; 1) usecrossorigin = "??"tofetchresourcesswithoutwithoutcredentials, validaccescess-contro
Aug 06, 2025 pm 04:20 PM