大约有 47,000 项符合查询结果（耗时：0.0547秒） [XML]
sed: print only matching group
... -d " " -f 6-7
Will result in output of:
2 3.4
-d sets the delimiter
-f selects the range of 'fields' to output, in this case, it's the 6th through 7th chunks of the original string. You can also specify the range as a list, such as 6,7.
...
Toggle input disabled attribute using jQuery
... .prop() method accepts two arguments:
Property name (disabled, checked, selected) anything that is either true or false
Property value, can be:
(empty) - returns the current value.
boolean (true/false) - sets the property value.
function - Is executed for each found element, the returned value i...
Web Service vs WCF Service
... For any new project based on SOA approach, Developer should select WCF over webservices. Because it gives the flexibility and scalibility for future use. There is only one exception: if the client doesn't support communication with wcf services i.e. Flash AS2.
–...
jQuery Ajax File Upload
...t;File Upload</td>
</tr>
<tr>
<th>Select File </th>
<td><input id="csv" name="csv" type="file" /></td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="submit"/>
&...
How does “cat
...1. Assign multi-line string to a shell variable
$ sql=$(cat <<EOF
SELECT foo, bar FROM db
WHERE foo='baz'
EOF
)
The $sql variable now holds the new-line characters too. You can verify with echo -e "$sql".
2. Pass multi-line string to a file in Bash
$ cat <<EOF > print.sh
#!/bin...
When applying a patch is there any way to resolve conflicts?
... You can also right drag patches on a working tree folder and select "Apply patch serial" (for patches like 0001-xxx.patch, ... 0002-xxy.patch) or "Apply single patch file".
– MrTux
Sep 6 '15 at 19:24
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Why are C character literals ints instead of chars?
...;
void print(char);
print('a');
You would expect that the call to print selects the second version taking a char. Having a character literal being an int would make that impossible. Note that in C++ literals having more than one character still have type int, although their value is implementatio...
Hide hidden(dot) files in github atom editor
...
As stated above, Application menu > Preferences… > select Packages in the sidebar, search for "Tree View", click the Settings button > check Hide Ignored Names.
And now with pictures:
share
...
How to display hidden characters by default (ZERO WIDTH SPACE ie. ​)
...
@WillSewell, you may affect the color by selecting Settings -> Editor -> Color Scheme -> General, then within that category, go to Text -> Whitespaces. I changed mine from the default Foreground #505050 to #404040 , and find them visible but not distract...
Software Design vs. Software Architecture [closed]
..., some component’s internal design decisions, like- choice of algorithm, selection of data structure etc.
Any design decision, which isn’t visible outside of its component boundary is a component’s internal design and is non-architectural. These are the design decisions a system architect woul...