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PowerShell Script to Find and Replace for all Files with a Specific Extension
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I would go with xml and xpath:
dir C:\Projects\project_*\project*.config -recurse | foreach-object{
$wc = [xml](Get-Content $_.fullname)
$wc.SelectNodes("//add[@key='Environment'][@value='Dev']") | Foreach-Object {$_.value = 'Demo'}...
Remove HTML Tags from an NSString on the iPhone
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This NSString category uses the NSXMLParser to accurately remove any HTML tags from an NSString. This is a single .m and .h file that can be included into your project easily.
https://gist.github.com/leighmcculloch/1202238
You then strip html by doing the f...
Android draw a Horizontal line between views
...once and using it wherever needed is a good idea.
Add this in your styles.xml:
<style name="Divider">
<item name="android:layout_width">match_parent</item>
<item name="android:layout_height">1dp</item>
<item name="android:background">?android:attr/l...
File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希 ·...
...权限
常见用途
文件完整性验证
数据校验和计算
安全文件传输验证
备份文件一致性检查
文件去重比较
密码存储（建议使用加盐哈希）
相关功能
可以使用 Juan Antonio 的 Terminal 扩...
ios Upload Image and Text using HTTP POST
...erField:@"Cache-Control"];
[request addValue:@"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8" forHTTPHeaderField:@"Accept"];
[request addValue:@"en-US,en;q=0.8,hr;q=0.6,it;q=0.4,sk;q=0.2,sl;q=0.2,sr;q=0.2" forHTTPHeaderField:@"Accept-Language"];
[request setHTTPMethod:...
Call a Server-side Method on a Resource in a RESTful Way
...The effect is that HTTP is reduced to a transport protocol for an enormous XML payload that explains what's "really" going on (not the URI or the HTTP method give a clue about it). The resulting service is far too complex, impossible to debug, and won't work unless your clients have the exact setup ...
How to print a groupby object
...the first group call list(df_g)[0]. This is one thing I like about R over Python. In R you don't have to iterate through most object to see the data, but Python you have to on a lot of the object. Finding proceses like this are refreshing. Thanks Elizabeth.
– PVic
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Concatenating two one-dimensional NumPy arrays
...oncatenate(a1, a2, a3) or numpy.concatenate(*[a1, a2, a3]) if you prefer. Python's fluid enough that the difference ends up feeling more cosmetic than substantial, but it's good when the API is consistent (e.g. if all the numpy functions that take variable length argument lists require explicit seq...
Why do you need to put #!/bin/bash at the beginning of a script file?
... most systems run bash, the "Bourne Again Shell"), scripts can be in bash, python, perl, ruby, PHP, etc, etc. For example, you might see #!/bin/perl or #!/bin/perl5.
PS:
The exclamation mark (!) is affectionately called "bang". The shell comment symbol (#) is sometimes called "hash".
PPS:
Rememb...
Is there a way for multiple processes to share a listening socket?
...ost others have provided the technical reasons why this works. Here's some python code you can run to demonstrate this for yourself:
import socket
import os
def main():
serversocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
serversocket.bind(("127.0.0.1", 8888))
serversocket....