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Select every Nth element in CSS
...ddition to constant numbers. You can perform addition (+), subtraction (-) and coefficient multiplication (an where a is an integer, including positive numbers, negative numbers and zero).
Here's how you would rewrite the above selector list:
div:nth-child(4n)
For an explanation on how these ari...
What is the correct answer for cout
...en updated. In particular:
In a shift operator expression E1<<E2 and E1>>E2, every value computation and side-effect of E1 is sequenced before every value computation and side effect of E2.
Which means that it requires the code to produce result b, which outputs 01.
See P0145R3 Re...
ManyRelatedManager object is not iterable
... answered Jan 18 '19 at 10:58
andywandyw
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Why always ./configure; make; make install; as 3 separate steps?
...aces, because every distro thinks it's better to install certain libraries and files to certain directories. It is said to run ./configure, but in fact you should change it always.
For example have a look at the Arch Linux packages site. Here you'll see that any package uses a different configure ...
How do I select a merge strategy for a git rebase?
...xtra options that are understood by the chosen merge strategy.
NB: "Ours" and "theirs" mean the opposite of what they do during a straight merge. In other words, "theirs" favors the commits on the current branch.
share
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How to execute IN() SQL queries with Spring's JDBCTemplate effectivly?
...arge list results in a query where :ids is replaced with "?,?,?,?,?......" and with enough list items it overflows. Is there a solution that works for large lists?
– nsayer
Apr 26 '10 at 17:45
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Get last dirname/filename in a file path argument in Bash
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unfortunately, if you wrap commands, basename is not a good idea. just something to keep in mind
– dtc
Jul 20 '16 at 20:36
add a co...
How to properly add cross-site request forgery (CSRF) token using PHP
...o add some security to the forms on my website. One of the forms uses AJAX and the other is a straightforward "contact us" form. I'm trying to add a CSRF token. The problem I'm having is that the token is only showing up in the HTML "value" some of the time. The rest of the time, the value is empty....
Get all child views inside LinearLayout at once
...
Use getChildCount() and getChildAt(int index).
Example:
LinearLayout ll = …
final int childCount = ll.getChildCount();
for (int i = 0; i < childCount; i++) {
View v = ll.getChildAt(i);
// Do something with v.
// …
}
...
Checking images for similarity with OpenCV
... entire research magazines.
I will outline the most common such techniques and their results.
Comparing histograms
One of the simplest & fastest methods. Proposed decades ago as a means to find picture simmilarities. The idea is that a forest will have a lot of green, and a human face a lot of p...