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【PyQt5-Qt Designer】QLineEdit 文本输入

setAlignment()按固定值方式对齐文本Qt.AlignLeft:水平方向靠左对齐Qt.AlignRight:水平方向靠右对齐Qt.AlignCenter:水平方向居中对齐Qt.AlignJustify:水平方向调整间距两端对齐Qt.AlignTop:垂直方向靠上对齐Qt.AlignBottom:垂直方向靠下对...

【pyqt5】QdateTimeEdit(日期时间)

fromPyQt5importQtCore,QtWidgetsclassUi_Dialog(object):defsetupUi(self,Dialog):Dialog.setObjectName("Dialog")Dialog.setWindowModality(QtCore.Qt.WindowModal)Dialo...

PyQt5学习笔记----标准文件打开保存框QFileDialog

单个文件打开QFileDialog.getOpenFileName()多个文件打开QFileDialog.getOpenFileNames()文件夹选取  QFileDialog.getExistingDirectory()文件保存    QFileDialo...

reduce方法简单实现数组中对象去重

js数组的reduce方法,接收一个函数(必须)和指定的初始值(非必须)作为参数,函数有三个参数,分别为初始值,当前项,当前数组,进行累加或者累积操作,初始值为每次累加或者累计后的结果注意:在ie9一下的浏览器中,并不支持该方法!语法:arr.reduce(fn(pre,cur,arr){},[initialValue...

Git does not apply deleted files when merging an old branch into the master. How can I tell Git to apply deleted files?

TheonlywayIcanfathomthispossiblesituationisifyoucreatedtwodifferentfiles,eachwiththesamefilename,inindependentbranches. 我遇到的情况的是Branch5和Branch6基于同一个commit出...

What is the difference between Clustered and Non-Clustered Indexes in SQL Server?

Fromthediscussionwefindfollowingdifferencesbetweenclusteredandnon-clusteredindexes.Therecanbeonlyoneclusteredindexpertable.However,youcancreatemultiplenon-clust...

How much business logic should be allowed to exist in the controller layer?

Aslittleaspossible.Preferablynone.Thecontrollershouldbeconcernedwithacceptingtherequest,askingthecorrectdomainservicetoprocesstherequest,andhandingofftherespons...

This request has been blocked because sensitive information could be disclosed to third party web sites when this is used in a GET request.

2020-03-1611:04:35,168ERROR[13]:System.InvalidOperationException:Thisrequesthasbeenblockedbecausesensitiveinformationcouldbedisclosedtothirdpartywebsiteswhenthi...

RedGate support tickets

https://forum.red-gate.com/discussion/84930/use-drop-and-create-did-not-work-with-index-on-both-normal-column-and-computed-columnhttps://forum.red-gate.com/disc...

Git rename from index.lock to index failed

Inmycase,thiswascausedbyusingthesameGitrepofrombothadminandnon-admincommandprompts.Whenlastgitpullwasfromadmincmd,theindexwascreatedbyit,andthennon-admincmdhadi...

Enabling IIS and required IIS components on Windows Server

TolearnhowtoenableIISandtherequiredIIScomponentsonWindowsServer2012/2012R2,seetheinstructionsbelow.OpenServerManagerandclickManage>AddRolesandFeatures.ClickN...

onedrive忽略子文件夹

https://answers.microsoft.com/en-us/msoffice/forum/all/how-to-exclude-certain-folders-from-syncing-to/20173022-5ef9-4a69-a7bc-da63fbb5282dSelectthewhiteorblueOn...

Why you need to understand garbage collection

I’vebeeninterviewinglotsofC#developersrecently,andoneofmystockquestionsis“howdoesthe.NETgarbagecollectorknowwhenyou’vefinishedusinganobject?&r...

Object changed by Unknown

https://documentation.red-gate.com/soc7/troubleshooting/object-changed-by-unknownhttps://documentation.red-gate.com/soc7/configuring/log-changes-to-shared-datab...

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