Hot questions

0 votes

1.2k views

1 answer

ERROR:ssl_client_socket_openssl.cc(1158)] handshake failed with ChromeDriver Chrome browser and Selenium

When running my python selenium script with Chrome driver I get about three of the below error messages every time a ... code 1, net_error -100 See Question&Answers more detail:os...

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

0 votes

793 views

1 answer

regex - How do I match accented characters with PHP preg?

I'd like to give my users the option to not only fill in letters and numbers, but also special letters like the á , ... $reg = '/^[w-]*$/'; See Question&Answers more detail:os...

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

0 votes

631 views

1 answer

php - how to find out if csv file fields are tab delimited or comma delimited

how to find out if csv file fields are tab delimited or comma delimited. I need php validation for this. Can anyone plz help. 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

925 views

1 answer

mongodb - Getting a distinct aggregation of an array field across indexes

I'm trying to learn MongoDB and how it'd be useful for analytics for me. I'm simply playing around ... call always fails without even querying. 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

R DBI ODBC error: nanodbc/nanodbc.cpp:3110: 07009: [Microsoft][ODBC Driver 13 for SQL Server]Invalid Descriptor Index

I continue to read the DBI/ODBC is faster than RODBC, so I tried as follows: require(DBI);require(odbc) ... Please, no RODBC solutions. Thanks! 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

arrays - C difference between *[] and **

This might be a bit of a basic question, but what is the difference between writing char * [] and ... difference between the two notations. See Question&Answers more detail:os...

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

0 votes

305 views

1 answer

php - Using MX records to validate email addresses

Scenario: I have a contact form on my web app, it gets alot of spam. I am validating the format of email ... for the A record fallback tip) See Question&Answers more detail:os...

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

0 votes

649 views

1 answer

objective c - How does a Block capture the variables outside of its enclosing scope?

I know that an Objective-C Block can capture and set the value of variables outside of its enclosing scope. How does it do that? See Question&Answers more detail:os...

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

0 votes

573 views

1 answer

memory leaks - Does Python GC deal with reference-cycles like this?

Using objgraph, I found a bunch of objects like this: Will Python's garbage collector deal with cycles like this, ... wider view of the loop: See Question&Answers more detail:os...

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

0 votes

291 views

1 answer

Output error/warning log (txt file) when running R script under command line

If I run R script under command line (actually I run that from calling in VBA), how can I output any error/warning messages to a txt file? See Question&Answers more detail:os...

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

0 votes

543 views

1 answer

jQuery animate border color on hover?

Using a color plugin to animate background color on hover. $(function() { $('.listing-2 li a').mouseover( ... do the same for border color? See Question&Answers more detail:os...

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

0 votes

514 views

1 answer

php - Time remaining until specific time from current time of page load

I have to admit that having not even tried to code this myself this question may be a annoying to some but ... it would be extremely helpful. See Question&Answers more detail:os...

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

0 votes

510 views

1 answer

windows phone 7 - WP7 HttpWebRequest without caching

It seems that HttpWebRequest caching in WP7 is enabled by default, how do I turn it off? Adding a random param ... will work with all servers. See Question&Answers more detail:os...

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

0 votes

450 views

1 answer

c# - stringbuilder versus string concat

In my project I am looping across a dataview result. string html =string.empty; DataView dV = data.DefaultView; for ... for this case and why? See Question&Answers more detail:os...

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

0 votes

511 views

1 answer

javascript - How to download PDF automatically using js?

My scenario is that PDF file download automatically, then user fills it and when click on submit button in PDF ... want to download the file. See Question&Answers more detail:os...

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

0 votes

421 views

1 answer

Selenium xpath selector based on the element text

What would a Selenium xpath selector be for the following HTML: <ul> <li>First</li> <li>Second</li> <li> ... trick, but apparently it does not. See Question&Answers more detail:os...

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

0 votes

370 views

1 answer

r - Show names of everything in a package

Is there an easy way to list everything in a package from within R? For example, if I type foreach:: ... not show things like .foreachGlobals See Question&Answers more detail:os...

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

0 votes

315 views

1 answer

.net - Dragging an image in WPF

I'm trying to create a WPF application where I can drag an image around. Currently I have an image ... to have absolute positioning available. See Question&Answers more detail:os...

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

0 votes

398 views

1 answer

php - str_shuffle and randomness

A while back I wrote a random string generator that builds a string using the mt_rand()th character in ... randomizes its input string. See Question&Answers more detail:os...

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

0 votes

505 views

1 answer

jboss7.x - Using log4j with JBoss 7.1

How can I use log4j with JBoss 7.1? I have a log4j-1.2.16.jar in my WebContent/WEB-INF/lib folder. ... unter WEB-INF/classes) is ignored. See Question&Answers more detail:os...

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

0 votes

371 views

1 answer

Create HTML table from JavaScript object

I am a beginner of JavaScript and want to display an array of objects in HTML. The format of the data ... some materials or examples to learn. See Question&Answers more detail:os...

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

0 votes

432 views

1 answer

.net - How to force WPF to use resource URIs that use assembly strong name? Argh!

O.k, this is really irritating, I had noticed previously that the code generated by WPF for loading XAML ... isolation just to avoid this. See Question&Answers more detail:os...

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

0 votes

727 views

1 answer

.htaccess - Ban IPs from text file using htaccess

I read and understand how to block an ip using htaccess: order deny,allow deny from 111.222.33.44 deny from 55.66. ... in this file? If so, how? See Question&Answers more detail:os...

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

0 votes

484 views

1 answer

c - /proc/[pid]/pagemaps and /proc/[pid]/maps | linux

I'm trying to get my head around the two files mentioned in the title. I've looked up what the bits are; ... doesn't persist in a 32bit OS. See Question&Answers more detail:os...

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

0 votes

343 views

1 answer

c - Problems with SO_BINDTODEVICE Linux socket option

I have a PC with two network cards. One (eth0) is for LAN/internet and the other for UDP communication with ... EXIT_FAILURE); } return(rc); } See Question&Answers more detail:os...

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

0 votes

364 views

1 answer

android - Drawing an outer shadow when drawing an image

I currently create a rounded version of an image in my app by drawing to a canvas. I would like to draw a ... effect I am trying to achieve: 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

java - Export to Excel JSF and PrimeFaces

Using JDK 1.6, JSF 2.1, PrimeFaces 2.2.1, POI 3.2, and Apache Tomcat 7 I am trying to setup a servlet to ... " update="revgrid" /> </h:form> See Question&Answers more detail:os...

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

0 votes

320 views

1 answer

How do I dynamically allocate an array of strings in C?

If I have the number of items in a var called "totalstrings" and a var called "string size" that is the string size ... in C, not C++. Thanks! See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags