大约有 47,000 项符合查询结果（耗时：0.0484秒） [XML]
Practical non-image based CAPTCHA approaches?
... twist on this that I use. Make the hidden value an encrypted time set to now. Upon post back, verify that between 10 seconds and 10 minutes has elapsed. This foils tricksters who would try to plug in some always-valid value.
– Tim Scott
Feb 7 '09 at 22:41
...
Markdown and image alignment
...)
Note the added URL hash #center.
Now add this rule in CSS using CSS 3 attribute selectors to select images with a certain path.
img[src*='#left'] {
float: left;
}
img[src*='#right'] {
float: right;
}
img[src*='#center'] {
display: block;
ma...
Why do some claim that Java's implementation of generics is bad?
...ns. Their design goals were not very well thought out for what was needed. Now we're all stuck with just a boat and we can't climb mountains.
– WiegleyJ
Dec 12 '17 at 21:11
1
...
What does “&” at the end of a linux command mean?
...
I don’t know for sure but I’m reading a book right now and what I am getting is that a program need to handle its signal ( as when I press CTRL-C). Now a program can use SIG_IGN to ignore all signals or SIG_DFL to restore the defaul...
jQuery: Get height of hidden element in jQuery
...eed to get height of an element that is within a div that is hidden. Right now I show the div, get the height, and hide the parent div. This seems a bit silly. Is there a better way?
...
How to link to a named anchor in Multimarkdown?
...
@jj1bdx I do now -- the <a id="id"></a> form is best. See this SO question/answer.
– Steve Powell
May 28 '12 at 16:12
...
Bootstrap 3 Glyphicons are not working
...urs of effort, and almost rage quitting my career, I found this answer and now I have working glyphicons again. Thank you!!
– dohpaz42
Oct 24 '15 at 18:22
2
...
Where in memory are my variables stored in C?
...
For those future visitors who may be interested in knowing about those memory segments, I am writing important points about 5 memory segments in C:
Some heads up:
Whenever a C program is executed some memory is allocated in the RAM for the program execution. This memory is ...
Git push requires username and password
...
Why is cloning with HTTPS a common mistake? GitHub now recommends using HTTPS.
– Dennis
Jul 14 '13 at 2:02
8
...
Homebrew’s `git` not using completion
...
I have already installed git without brew. Now I want to install bash_completion using brew. I ran brew install bash-completion and added above code but no luck
– MagePsycho
Sep 3 '14 at 6:35
...