OStack Q&A-Knowledge Sharing Community

0 votes

204 views

1 answer

jsf - <h:selectOneRadio> renders table element, how to avoid this?

Is there a way to tell JSF that it should NOT render a <table> element when using <h:selectOneRadio>? I don' ... no sense in this case. Any help is appreciated! Question&Answers:os...

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

0 votes

90 views

1 answer

c# - How can I validate console input as integers?

I have written my codes and i want to validate it in such a way thet it will only allow intergers to be inputed and ... number"); } } Console.ReadLine(); } } } Question&Answers:os...

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

0 votes

89 views

1 answer

javascript - Alternative to a million IF statements

Using JavaScript I am pulling names out of webpage and stringing them together somehow (probably going with an array). ... == '[email protected]'; } .... Question&Answers:os...

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

0 votes

152 views

1 answer

Why do C and C++ support memberwise assignment of arrays within structs, but not generally?

I understand that memberwise assignment of arrays is not supported, such that the following will not work: ... related spec documentation was useful as well. Question&Answers:os...

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

0 votes

201 views

1 answer

javascript - Making facebook login work with an Android Webview

I am just trying to implement the facebook login on a WebView in Android. The problem is after I click the ... the redirect on the Facebook dialog page? THANKS. Question&Answers:os...

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

0 votes

90 views

1 answer

c++ - How to call through a member function pointer?

I'm trying to do some testing with member function pointer. What is wrong with this code? The bigCat.*pcat(); statement ... pcat = &cat::walk; bigCat.*pcat(); } Question&Answers:os...

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

0 votes

198 views

1 answer

jquery - What does [object Object] mean? (JavaScript)

One of my alerts is giving the following result: [object Object] What does this mean exactly? (This was an alert of some jQuery object.) Question&Answers:os...

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

0 votes

211 views

1 answer

javascript - Programmatically open new pages on Tabs

I'm trying to "force" Safari or IE7 to open a new page using a new tab. Programmatically I mean something like: window.open('page.html','newtaborsomething'); Question&Answers:os...

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

0 votes

354 views

1 answer

javascript - window.onbeforeunload ajax request in Chrome

I have a web page that handles remote control of a machine through Ajax. When user navigate away from the page ... m doing looks completely legit to me. Thanks, Question&Answers:os...

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

0 votes

163 views

1 answer

c# - Is shifting bits faster than multiplying and dividing in Java? .NET?

Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...

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

0 votes

319 views

1 answer

oop - Uninitialized variables and members in Java

Consider this: public class TestClass { private String a; private String b; public TestClass() { a = " ... intention, and the question still stands... Question&Answers:os...

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

0 votes

387 views

1 answer

python - Embedding a matplotlib figure inside a WxPython panel

How do I embed a matplotlib figure object inside a WxPython panel? I googled around and saw complicated examples ... . Can anybody help with a minimal example? Question&Answers:os...

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

0 votes

1.4k views

1 answer

ggplot2 - Labeling Outliers of Boxplots in R

I have the code that creates a boxplot, using ggplot in R, I want to label my outliers with the year and ... is correct, I just want to label the outliers. Question&Answers:os...

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

0 votes

343 views

1 answer

sql - mysql select dynamic row values as column names, another column as value

I have a legacy table of user information (that is still in active use) and I cannot change the structure of ... . Please tell me I've missed something obvious Question&Answers:os...

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

0 votes

81 views

1 answer

sql - How to create multiple one to one's

I have a database set up with many tables and it all looks good apart from one bit... Inventory Table <*---- ... they all seem wrong, so any help would be good! Question&Answers:os...

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

0 votes

232 views

1 answer

PHP & MySQL: mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean given

This question already has an answer here: Question&Answers:os...

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

0 votes

128 views

1 answer

javascript - When does JS interpret {} as an empty block instead of an empty object?

I was reading the answer to this question (about the "wat" video) and it said: {}+[] This is interpreted ... I would like to understand. Firebug: Node.js: Question&Answers:os...

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

0 votes

178 views

1 answer

r - How do I extract a single column from a data.frame as a data.frame?

Say I have a data.frame: df <- data.frame(A=c(10,20,30),B=c(11,22,33), C=c(111,222,333)) ... There are several answers that work with data.frame but not matrix. Question&Answers:os...

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

0 votes

298 views

1 answer

c - What is the behavior of printing NULL with printf's %s specifier?

Came across an interesting interview question: test 1: printf("test %s ", NULL); printf("test %s ", NULL); prints: ... gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 Question&Answers:os...

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

0 votes

290 views

1 answer

javascript - Need to escape a special character in a jQuery selector string

According to the selectors docs, you must escape [ with double backslash, etc \[. I have a selector that is ... write a regex to escape the brackets for me? Question&Answers:os...

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

0 votes

374 views

1 answer

Multipart email with text and calendar: Outlook doesn't recognize ics

I have problems with Outlook 2007. When sending a "multipart/alternative" email with a "text/ ... END:VCALENDAR --_=_swift_v4_138243630552664dd1bc83e_=_-- Question&Answers:os...

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

0 votes

133 views

1 answer

javascript - How can I refer to a variable using a string containing its name?

Is there a way to refer to a Javascript variable with a string that contains its name? example: var myText = ... //how to output myText value using someString? Question&Answers:os...

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

0 votes

277 views

1 answer

linux - Is it possible to change the Environment of a parent process in Python?

In Linux When I invoke python from the shell it replicates its environment, and starts the python process. ... this conflicts with other requirements I have. Question&Answers:os...

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

0 votes

305 views

1 answer

android - TabWidget current tab bottom line color

I have a TabWidget for which I have enabled and set the stripLeft and stripRight... mTabHost.getTabWidget(). ... not say how to change the color... Question&Answers:os...

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

0 votes

283 views

1 answer

linux - Execute PHP script in cron job

In our centos6 server. I would like to execute a php script in cron job as apache user but unfortunately it ... doesn't work Thanks in advance, Please Help me Question&Answers:os...

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

0 votes

346 views

1 answer

r - Subset dataframe by multiple logical conditions of rows to remove

I would like to subset (filter) a dataframe by specifying which rows not (!) to keep in the new dataframe. Here ... but that doesn't seem to exist. Any ideas? Question&Answers:os...

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

0 votes

319 views

1 answer

jquery - Format date to MM/dd/yyyy in JavaScript

This question already has answers here: Question&Answers:os...

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

0 votes

216 views

1 answer

php - Increasing nesting function calls limit

There is one very bad limit in PHP: if you call some function a1() that calls a2(), that calls a3.. ... an event-based system with a lot of callbacks. Question&Answers:os...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags