大约有 15,400 项符合查询结果（耗时：0.0298秒） [XML]
sed edit file in place
...d content into a new file and then renames it behind the scenes, anyway.
Example:
sed -i 's/STRING_TO_REPLACE/STRING_TO_REPLACE_IT/g' filename
and
sed -i '' 's/STRING_TO_REPLACE/STRING_TO_REPLACE_IT/g' filename
on macOS.
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Changing Font Size For UITableView Section Headers
...ne please instruct me on the easiest way to change the font size for the text in a UITableView section header?
11 Answers
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Creating an iframe with given HTML dynamically
... updated and the HTML parser will be invoked and process the attribute as expected.
http://jsfiddle.net/9k9Pe/2/
var iframe = document.createElement('iframe');
var html = '<body>Foo</body>';
iframe.src = 'data:text/html;charset=utf-8,' + encodeURI(html);
document.body.appendChild(ifra...
How to concatenate strings of a string field in a PostgreSQL 'group by' query?
...way to concatenate the strings of a field within a group by query. So for example, I have a table:
14 Answers
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Size-limited queue that holds last N elements in Java
... libraries: is there a ready-made class that implements a Queue with a fixed maximum size - i.e. it always allows addition of elements, but it will silently remove head elements to accomodate space for newly added elements.
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PostgreSQL Autoincrement
...t values. I saw in the PostgreSQL docs a datatype "serial", but I get syntax errors when using it (in v8.0).
11 Answers
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Search stops working for “Entire Solution”
... has stopped working for me. Anytime I search "Entire Solution" for some text I get this result:
28 Answers
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Understanding colors on Android (six characters)
...
If you provide 6 hex digits, that means RGB (2 hex digits for each value of red, green and blue).
If you provide 8 hex digits, it's an ARGB (2 hex digits for each value of alpha, red, green and blue respectively).
So by removing the final 55 ...
Convert PDF to image with high resolution
...\
test.pdf \
-quality 100 \
-flatten \
-sharpen 0x1.0 \
24-18.jpg
It results in the left image. Compare this to the result of my original command (the image on the right):
(To really see and appreciate the differences between the two, right-click on each and se...