OStack Q&A-Knowledge Sharing Community

0 votes

274 views

1 answer

php - mcrypt_encrypt to openssl_encrypt, and OPENSSL_ZERO_PADDING problems

I have this mcrypt_encrypt call, for a given $key, $message and $iv: $string = mcrypt_encrypt(MCRYPT_3DES, $key, ... openssl encryption call... See Question&Answers more detail:os...

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

0 votes

387 views

1 answer

ios - Swift equivalent to `[NSDictionary initWithObjects: forKeys:]`

Is there an equivalent for Swift's native Dictionary to [NSDictionary initWithObjects: forKeys:]? Say I have two ... :3] // expected result See Question&Answers more detail:os...

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

0 votes

260 views

1 answer

R: data.table cross-join not working

I have two data.tables that I want to join (form a Cartesian product of). One of the data.tables is keyed on ... Not sure what I am doing wrong. See Question&Answers more detail:os...

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

0 votes

532 views

1 answer

python - How to repeat a function n times

I'm trying to write a function in python that is like: def repeated(f, n): ... where f is a function that ... 3) this would square 3, 2 times. See Question&Answers more detail:os...

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

0 votes

1.0k views

1 answer

batch file - How to search and replace a string in environment variable PATH?

Is there any command in batch to search and replace a string in environment variable PATH? For example the ... replace it by C:Python27. See Question&Answers more detail:os...

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

0 votes

238 views

1 answer

Javascript .replace command replace page text?

Can the JavaScript command .replace replace text in any webpage? I want to create a Chrome extension that replaces ... cake instead of pie). See Question&Answers more detail:os...

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

0 votes

410 views

1 answer

jquery - Update select2 data without rebuilding the control

I am converting an <input type="hidden"> to a select2 dropdown and feeding it data through the query method $ ... control, is that possible ? See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

jpa - How to use @Where in Hibernate

Searched for a few hours, but I'm stuck in a my learning curve for PlayFramework with JPA. I'm building a ... answer worked for me after all. See Question&Answers more detail:os...

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

0 votes

128 views

1 answer

android - Appropriate multiplication of matrices for rotation/translation

In order to rotate/translate object (rotation only about z-axis and translation only in xy plane) not just w ... .pixdip.com/opengles/images.php See Question&Answers more detail:os...

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

0 votes

1.8k views

1 answer

apache - The mysqli extension is missing. Please check your PHP configuration

I have looked through all of the forums that I could find relevant to this question and my problem yet nothing ... it still will not load. See Question&Answers more detail:os...

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

0 votes

608 views

1 answer

c# - Force JSON.NET to include milliseconds when serializing DateTime (even if ms component is zero)

I'm using JSON.NET to serialize DateTime values directly from object instances (not using DateTime.ToString() ... data formatting every time. See Question&Answers more detail:os...

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

0 votes

117 views

1 answer

c# - Put WPF control into a Windows Forms Form?

How do you put a WPF control into a Windows Forms Form? Most likely I will be inserting my WPF control into a Windows.Forms.Panel. See Question&Answers more detail:os...

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

0 votes

512 views

1 answer

how to attach multiple files to email client in android

I am using Intent .ACTION_SEND to get default email client. It works fine but now i need to attach more than one ... ..")); Thanks in advance. See Question&Answers more detail:os...

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

0 votes

276 views

1 answer

java - how to get a client's MAC address from HttpServlet?

I was asked to write a servlet that collects client's details such as ip, mac address etc. getting his IP is ... 'm working on top of Tomcat6) See Question&Answers more detail:os...

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

0 votes

99 views

1 answer

c++ - Declaring multiple object pointers on one line causes compiler error

when I do this (in my class) public: Entity() { re_sprite_eyes = new sf::Sprite(); re_sprite_hair = new ... Aren't the declarations the same? See Question&Answers more detail:os...

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

0 votes

311 views

1 answer

c - What's bad about shifting a 32-bit variable 32 bits?

I recently picked up a copy of Applied Cryptography by Bruce Schneier and it's been a good read. I now ... to do it would be appreciated. See Question&Answers more detail:os...

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

0 votes

1.4k views

1 answer

matlab - Suppress Output

I want to suppress the output of variables in a set of Matlab functions. The problem is that the author forget ... off this kind of output? See Question&Answers more detail:os...

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

0 votes

977 views

1 answer

upload large files using php, apache

I want to upload files of around 150 MB using PHP and Apache server. With my code i can upload ... uploaded files. upload_max_filesize = 200M See Question&Answers more detail:os...

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

0 votes

524 views

1 answer

Regex to match all permutations of {1,2,3,4} without repetition

I am implementing the following problem in ruby. Here's the pattern that I want : 1234, 1324, 1432, 1423, ... me out and thanks in advance. See Question&Answers more detail:os...

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

0 votes

227 views

1 answer

javascript - Is a closure for dereferencing variables useful?

I'm not sure whether or when it is useful (to improve performance) to dereference variables. var x = a.b. ... the property "prototype" of Array? See Question&Answers more detail:os...

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

0 votes

282 views

1 answer

jquery - Prevent Cheating on Javascript Game

I'm currently developing a game using JavaScript/JQuery. It's a simple brick breaker type of game keeping score, ... them access to changing it? See Question&Answers more detail:os...

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

0 votes

84 views

1 answer

c# - Reading Excel Files as a Server Process

I'm trying to find an appropriate way to read the contents of an Excel file on an NT server operating system ... imposed within the Excel API? See Question&Answers more detail:os...

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

0 votes

86 views

1 answer

Powersets in Python using itertools

I'm trying to create a powerset in Python 3. I found a reference to the itertools module, and I've used ... thanks in advance for your insights. See Question&Answers more detail:os...

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

0 votes

441 views

1 answer

r - Split date into different columns for year, month and day

I have zoo objects that look like: head(obs) Index pp 1932-01-01 0 1932-01-02 0.2 1932-01-03 0 and I ... and pp in column 2. Thanks for helping! See Question&Answers more detail:os...

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

0 votes

207 views

1 answer

python split a string with at least 2 whitespaces

I would like to split a string only where there are at least two or more whitespaces. For example str = '10DEUTSCH GGS Neue ... ', '-1', '-1'] See Question&Answers more detail:os...

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

0 votes

210 views

1 answer

javascript - focus doesn't work in IE

i have the following function function change() { var input = document.getElementById('pas'); var input2 = input. ... doesn't work in opera:( See Question&Answers more detail:os...

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

0 votes

250 views

1 answer

Prime number function in R

I am trying to create a function to test if a given integer is a prime number, I tried using the following: ... == 2 is actually testing for. See Question&Answers more detail:os...

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

0 votes

361 views

1 answer

c# - "Requested URI is invalid" during upload with FtpWebRequest

I trying upload file to a directory on a FTP server. I used this method with FtpWebRequest. I would like to ... ); response.Close(); } See Question&Answers more detail:os...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags