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When does CSS's !important declaration not work?

I am wondering if someone can put a bit of an authoritative reference summary of when the !important declaration ... to override inline styles. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Check/Uncheck a checkbox on datagridview

Can someone help me why it doesn't work? I have a checkbox and if I click on it, this should ... 20; datagridview1.Columns.Add(CheckboxColumn); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Row count in a csv file

I am probably making a stupid mistake, but I can't find where it is. I want to count the number of lines ... for row in reader) print row_count See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How can I print error stack trace in JSP page?

I have set my error page like this in web.xml: <error-page> <exception-type>java.lang.Exception</exception- ... are available for my program. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Am I able to reuse a HttpWebRequest?

Am I able to reuse a HttpWebRequest? It seems like the 3rd request to a site causes a operation to time out. It seems ... } } } sw.Flush(); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Javascript for..in vs for loop performance

I was clustering around 40000 points using kmean algorithm. In the first version of the program I wrote the ... between these 2 styles? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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asp.net - How do I fix 404.17 error on Win Server 2k8 and IIS7

I've setup a new .net 2.0 website on IIS 7 under Win Server 2k8 and when browsing to a page it ... have a suggestion for correcting this error? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Android - Textview change color on changing of state

How can I apply color on the various states(focused, pressed, enabled) of the TextView? I have already ... to change the Background color. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Optimum file buffer read size?

I am writing an application which needs to read fairly large files. I have always wondered what's the optimum ... know what sizes are common? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Qt moc with implementations inside of header files?

Is it possible to tell the Qt MOC that I would like to declare the class and implement it in a single file rather ... into an .h and .cpp file? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Double quotes not escaped in R

I need the to escape the double quotes in the following example and R returns : xx<-"the road is 'rocky all " ... way' How can I achieve this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - HelloAndroid]emulator-5554 disconnected! Cancelling 'com.example.helloandroid.HelloAndroid activity launch'!

I am new to Android. Follow the HelloAndroid Tutorials by use Eclipse. After run HelloAndroid, the AVD ... .HelloAndroid activity launch'! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Python selenium: DevTools listening on ws://127.0.0.1

Today I got this message on the console when running selenium using the chromedriver. How do I suppress ... ;context-place=forum/chrome See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Java Generics: non-static type variable T cannot be referenced from a static context

interface A<T> { interface B { // Results in non-static type variable T cannot // be referenced from a ... static when referenced from A.B? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - How does select work when multiple channels are involved?

I found when using select on multiple non buffered channels like select { case <- chana: case <- ... topic golang-channels-select-statement See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How can I get the value of the current target ant?

How can I get the value of the current target ant? Does it exist a special variable something called TARGET? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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391 views

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c# - Attribute on Interface members does not work

In my application several models need Password properties (eg, Registration and ChangePassword models). The ... inherited from interface? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - <div> into a <tr>: is it correct?

Is this code correct? <table> <tr> <td>...</td> </tr> <tr> <div>...</div> </tr> <tr> <td>. ... semantic (and W3C rules). What can you say about? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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386 views

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r - Add a column with count of NAs and Mean

I have a data frame and I need to add another column to it which shows the count of NAs in all the other ... the NON-NA values in that row. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to parse json and read in vb.net

I have this code in my project: Dim request As HttpWebRequest Dim response As HttpWebResponse = Nothing Dim reader ... ) into TextBox3.Text??? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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953 views

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ubuntu - Linking libraries with gcc: order of arguments

As soon as I upgraded my Ubuntu distro to 11.10, I started seeing strange linker behavior with gcc. I ... more strictly than earlier versions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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541 views

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php - #1193 - Unknown system variable 'lc_messages' when trying to login to phpmyadmin

I have recently installed MySQL and phpMyAdmin, but when I try to login to phpMyAdmin with the root credentials ... I experiencing this error? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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C# rounding differently depending on platform?

I have this tiny piece of code double s = -2.6114289999999998; double s7 = Math.Round(s, 7); double s5 = Math.Round ... s6 = Math.Round(s, 6); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Jackson deserialization with unknown dynamic properties

I have a JSON string like: "shipping_profiles": { "563": { "name": "name", "value": "value" }, "564": ... from the JSON string. Is it possible? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Is it possible to set the cookie content with CURL?

I have been searching for a way, to specify the cookie data for CURL. I have found some solutions on how to ... cookie myself, so CURL uses it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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857 views

1 answer

javafx GridPane retrieve specific Cell content

I want to retrieve the content of one specific cell in a Gridpane. I have put buttons in the cells with the ... 4,2) and get its content. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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744 views

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javascript - Form 'onsubmit' not getting called

Here's the part of my form: <form name='form-main' onsubmit='return validate()' action='' method='post'> < ... it so it shows the alert dialog. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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657 views

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java - Draw arc with 2 points and center of the circle

I have two points of circle and center of this circle. I want to draw an arc between these points. Method ... fit my purpose. Anybody help? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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