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c# - get the Type for a object declared dynamic

I would like to get the Type for an dynamic object, something like: dynamic tmp = Activator.CreateInstance( ... the wrapped object. Thanks! See Question&Answers more detail:os...

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

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security - Sanitize file path in PHP

Greetings, I'm hoping to make my tiny program secure so that potential malicious users cannot view sensitive files ... and how to prevent them. See Question&Answers more detail:os...

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

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email - Attach a txt file in Python smtplib

I am sending a plain text email as follows: import smtplib from email.mime.multipart import MIMEMultipart from email. ... a txt file here? See Question&Answers more detail:os...

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

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struct - memcpy vs assignment in C

Under what circumstances should I expect memcpys to outperform assignments on modern INTEL/AMD hardware? I am using GCC 4. ... 64 bit as well). See Question&Answers more detail:os...

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

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css - position:fixed when left/top/right/bottom aren't specified - desired results in FF/IE, but not in Safari

Sorry to have to ask yet another position:fixed related question, but reading through various other questions and forum ... </div> </div> 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 - What is the default scheduler pool size in spring-boot?

I'm using spring-boot and @Scheduled annotation to execute some tasks. How can I find out what the ... executed after the first finished. 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 update axis using d3.js

I'm trying to display different data on a graph. The user can change the displayed data clicking on a radio ... js version: v3.1.10 Maxime 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 do I get the XML root node with C#?

I know that it's possible to get any XML node using C# if you know the node name, but I want to get the ... way then I'm always a good student. See Question&Answers more detail:os...

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

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ajax - Does --disable-web-security Work In Chrome Anymore?

I'm trying to do a simple test without changing any server-side code involving a cross-domain AJAX call, and ... has this feature been dropped? 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.util.regex.PatternSyntaxException: Dangling meta character '+' near index 0 +

I am getting the error when I launch my UI that causes this code to spit the error at me in the title. It ... Operator"); } return result; } See Question&Answers more detail:os...

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

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Rails: How to parse date-time string into a specific time zone

I'm using Rails 3.2 and ruby 1.9.3 on Debian. I have an app that collects a date, time, and timezone in ... HTML forms. Thank you for any 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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c# - How do you log the machine name via log4net?

I am using Log4Net with the AdoNetAppender to log messages from a simple systray application into a SQL Server 2005 ... log4net in this manner? 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 - How to fix google play service error

Today after updating the play services in root folder I'm facing the following problem . I'm confused how to fix this. ... .hbb20:ccp:2.1.2' } 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 check to see if a folder contains files using python 3

I've searched everywhere for this answer but can't find it. I'm trying to come up with a script that will ... for any help you can give me. See Question&Answers more detail:os...

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

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junit - Android :java.lang.SecurityException: Injecting to another application requires INJECT_EVENTS permission

Hi there I am new to Android Junit testing: I have written some test code in MainActivityFunctionalTest.java file ... this, view); Please 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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274 views

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How to add days into the date in android

In my database I am getting start date like 2011-11-30(yyyy/mm/dd)format.and duration date like 40 days.How ... /yyyy. Can anyone help me Thanks See Question&Answers more detail:os...

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

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535 views

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r - Split dataframe using two columns of data and apply common transformation on list of resulting dataframes

I want to split a large dataframe into a list of dataframes according to the values in two columns. I then want ... column of data at a time. See Question&Answers more detail:os...

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

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848 views

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ruby on rails - Counter Cache for a column with conditions?

I am new to the concept of counter caching and with some astronomical load times on one of my app's main pages ... so as to minimize load times? See Question&Answers more detail:os...

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

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398 views

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jQuery changing contents of an iFrame

I'm completely new to using jQuery. Why isn't this working? <iframe width="800" scrolling="no" id="prev" src= ... the best way to go about 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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diff - git difftool to give directory compare?

Is it possible to get the git difftool command to open a directory compare between the changed files and the ... Is that the only option? See Question&Answers more detail:os...

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

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581 views

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linux - Search and replace with sed when dots and underscores are present

How do I replace foo. with foo_ with sed simply running sed 's/foo./foo_/g' file.php doesn't work. Thanks! See Question&Answers more detail:os...

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

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762 views

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logging - How to specify common application data folder for log4net?

I want log4net to write log files (using RollingFileAppender) to a subfolder of the common application data folder (e ... up with a better idea? 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 - pandas scatter plotting datetime

I have a dataframe with two columns of datetime.time's. I'd like to scatter plot them. I'd also like the axes ... , not type 'str' Any pointers? See Question&Answers more detail:os...

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

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310 views

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java - Should source code be saved in UTF-8 format

How important is it to save your source code in UTF-8 format? Eclipse on Windows uses CP1252 character encoding by ... , right now I don't. See Question&Answers more detail:os...

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

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351 views

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Greater Than Condition in Linq Join

I had tried to join two table conditionally but it is giving me syntax error. I tried to find solution in the ... >= p.PositionId select p; See Question&Answers more detail:os...

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

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430 views

1 answer

ios - How to disable no inverse relationship warning for CoreData in Xcode 4.2?

There was a MOMC_NO_INVERSE_RELATIONSHIP_WARNINGS setting on Xcode 3 but I cannot find it in Xcode 4.2 and trying ... it for various reasons. See Question&Answers more detail:os...

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

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376 views

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c++ - Why does valgrind say basic SDL program is leaking memory?

Here is the SDL program: #include <SDL/SDL.h> int main(int argc, char** argv){ SDL_Init(SDL_INIT_VIDEO); ... basic SDL program leaking memory? See Question&Answers more detail:os...

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

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805 views

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java - jni.h: no such file or directory

I'm using Code::Blocks in windows. I created a dll project trying to get some JNI practice. In my .h file ... and it was able to find 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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