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Make .gitignore ignore everything except a few files
...ories
!*/
# if the files to be tracked are in subdirectories
!*/a/b/file1.txt
!*/a/b/c/*
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How do I check whether a file exists without exceptions?
...re is some simple REPL output:
>>> os.path.isfile("/etc/password.txt")
True
>>> os.path.isfile("/etc")
False
>>> os.path.isfile("/does/not/exist")
False
>>> os.path.exists("/etc/password.txt")
True
>>> os.path.exists("/etc")
True
>>> os.path.exi...
How to get a path to a resource in a Java JAR file
...n you call your resource in order to open it. like new File("rsrc:filename.txt") this will load filename.txt which is packed inside the root of your jar
– gipsh
Jun 16 '16 at 18:45
...
Get final URL after curl is redirected
... --output /dev/null "https://""goo.gl/QeJeQ4"
Speed test
all_videos_link.txt - 50 links of goo.gl+bit.ly which redirect to youtube
1. With follow location
time while read -r line; do
curl -kIsL -w "%{url_effective}\n" -o /dev/null $line
done < all_videos_link.txt
Results:
real 1m40.832...
DaffyMenu 扩展：弹出菜单扩展，为组件添加弹出式菜单功能 · App Inventor 2 中文网
...能
DaffyMenu 扩展
下载链接
功能概述
扩展特性
截图
Logo 和界面
应用示例
功能展示
函数
事件
属性
...
How do you search for files containing DOS line endings (CRLF) with grep on Linux?
... d -exec file "{}" ";" | grep CRLF
will get you something like:
./1/dos1.txt: ASCII text, with CRLF line terminators
./2/dos2.txt: ASCII text, with CRLF line terminators
./dos.txt: ASCII text, with CRLF line terminators
sh...
Set the value of an input field
...ly simple
// Your HTML text field
<input type="text" name="name" id="txt">
//Your javascript
<script type="text/javascript">
document.getElementById("txt").value = "My default value";
</script>
Or if you want to avoid JavaScript entirely: You can define it just using HTML
...
git rebase, keeping track of 'local' and 'remote'
...ase.
git mergetool does indeed mention 'local' and 'remote':
Merging:
f.txt
Normal merge conflict for 'f.txt':
{local}: modified file
{remote}: modified file
Hit return to start merge resolution tool (kdiff3):
For instance, KDiff3 would display the merge resolution like so:
And meld wou...
How do I grep recursively?
...uld like, another method is to use --include option:
grep -r --include "*.txt" texthere .
You can also mention files to exclude with --exclude.
Ag
If you frequently search through code, Ag (The Silver Searcher) is a much faster alternative to grep, that's customized for searching code. For inst...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...。这些代码也会被编译一个函数功能块(当然并不是一个完整的函数)。它实际上变成了一个怎么结束函数执行的代码块。代码形式如下：
// execute handler code
return addressWhereToContinueAfterCatch;
OS得到跳转地址后，它会重建异常发生...