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Postgresql: password authentication failed for user “postgres”
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What about on mac?
– AustinT
Apr 20 '16 at 1:55
1
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How to have favicon / icon set when bookmarklet dragged to toolbar?
...xplain the code a little to newbies? Thanks
– Andrew Mackenzie
Oct 6 '11 at 11:52
Sure. When you click it, it checks ...
How to exit in Node.js
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Note that, beyond Node, the Ctrl+D shortcut on Mac or Linux works on almost all shells and REPLs you'll ever encounter, including Unix shells like Bash, the shells for databases like MySQL and PostgreSQL, and the REPLs for programming languages like Python, PHP, and Ruby....
Efficiently test if a port is open on Linux?
... Linux:
netstat -lnt | awk '$6 == "LISTEN" && $4 ~ /\.445$/'
On Mac:
netstat -anp tcp | awk '$6 == "LISTEN" && $4 ~ /\.445$/'
This will output a list of processes listening on the port (445 in this example) or it will output nothing if the port is free.
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iOS JavaScript bridge
...here isn't the same windowScriptObject property (and class) that exists on Mac OSX allowing complete communication between the two.
However, you can easily call from javascript custom-made URLs, like:
window.location = yourscheme://callfunction/parameter1/parameter2?parameter3=value
And intercep...
What is the difference between an int and a long in C++?
...ytes
Linux Intel 64 8 bytes
Linux IA-64 8 bytes
Mac OS X IA-32 4 bytes
Mac OS X Intel 64 8 bytes
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How do I solve the INSTALL_FAILED_DEXOPT error?
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Christ... again this happened to me after updating my mac OS. Doubling down on my reimbursement of that solution goto -> settings and run factory restore. Had to look up this question just to remember how I fixed it... thank god for history on stack overflow, and I was able ...
pip broke. how to fix DistributionNotFound error?
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I find this problem in my MacBook, the reason is because as @Stephan said, I use easy_install to install pip, and the mixture of both py package manage tools led to the pkg_resources.DistributionNotFound problem.
The resolve is:
easy_install --upgra...
C#位运算符（C#按位与、按位或 等） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...以整型量格式输出三个域的内容。第13行把位域变量bit的地址送给指针变量pbit。第14行用指针方式给位域a重新赋值，赋为0。第15行使用了复合的位运算符"&="， 该行相当于： pbit->b=pbit->b&3位域b中原有值为7，与3作按位与运算的结...
Groovy Shell warning “Could not open/create prefs root node …”
...t Menu and type regedit into the search field.
Navigate to path HKEY_LOCAL_MACHINE\Software\JavaSoft (Windows 10 seems to now have this here: HKEY_LOCAL_MACHINE\Software\WOW6432Node\JavaSoft)
Right click on the JavaSoft folder and click on New -> Key
Name the new Key Prefs and everything should w...