大约有 23,000 项符合查询结果（耗时：0.0274秒） [XML]
Remove the last line from a file in Bash
...
64
To remove the last line from a file without reading the whole file or rewriting anything, you c...
What is the significance of ProjectTypeGuids tag in the visual studio project file
...
</PropertyGroup>
But for some special projects (such as some database projects) and projects lacking a file (such as Web Site projects), the project type is stored also in the solution file:
Microsoft Visual Studio Solution File, Format Version 10.00
# Visual Studio 2008
Project("{F184B08...
How to stop EditText from gaining focus at Activity startup in Android
...
2649
Excellent answers from Luc and Mark however a good code sample is missing. Adding the tag andr...
Standard Android Button with a different color
... Deepak Swami
3,63011 gold badge2626 silver badges4646 bronze badges
answered Aug 9 '10 at 23:28
TomaszTomasz
3,39611 gold badge1...
Test if a variable is set in bash when using “set -o nounset”
...sh
$ /bin/bash --version | head -1
GNU bash, version 4.1.2(1)-release (x86_64-redhat-linux-gnu)
$ set -o nounset
If you want a non-interactive script to print an error and exit if a variable is null or not set:
$ [[ "${HOME:?}" ]]
$ [[ "${IAMUNBOUND:?}" ]]
bash: IAMUNBOUND: parameter null or not...
How to create multidimensional array
...uctures and Algorithms with JavaScript
The Good Parts (O’Reilly, p. 64). Crockford extends the JavaScript
array object with a function that sets the number of rows and columns
and sets each value to a value passed to the function. Here is his
definition:
Array.matrix = function(numrow...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
...o apt-get install sysstat
Linux 3.0.0-13-generic (ws025) 02/10/2012 _x86_64_ (2 CPU)
03:33:26 PM CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle
03:33:26 PM all 2.39 0.04 0.19 0.34 0.00 0.01 0.00 0.00 97.03
Then some cutor grepto pars...
What does the git index contain EXACTLY?
...documented in man git-merge:
0: regular file, not in a merge conflict
1: base
2: ours
3: theirs
During a merge conflict, all stages from 1-3 are stored in the index
to allow operations like git checkout --ours.
If you git add, then a stage 0 is added to the index for the path,
and Git will know...
What does enctype='multipart/form-data' mean?
...le2=a.html&file3=binary
Clearly the file data was not sent, only the basenames. So this cannot be used for files.
As for the text field, we see that usual printable characters like a and b were sent in one byte, while non-printable ones like 0xCF and 0x89 took up 3 bytes each: %CF%89!
Compar...
What is meant by 'first class object'?
...
Sander VersluysSander Versluys
64.9k2222 gold badges7979 silver badges8888 bronze badges
...