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Can angularjs routes have optional parameter values?
Can I set a route with optional params (same template and controller, but some params should be ignored if they don't exist?
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In JavaScript, does it make a difference if I call a function with parentheses?
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window.onload = initAll();
This executes initAll() straight away and assigns the function's return value to window.onload. This is usually not what you want. initAll() would have to return a function for this to make sense.
window.onload = initAll;
this assigns the actual function to ...
Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
...())
"ברי צקלה"
If you are writing to a file, just use json.dump() and leave it to the file object to encode:
with open('filename', 'w', encoding='utf8') as json_file:
json.dump("ברי צקלה", json_file, ensure_ascii=False)
Caveats for Python 2
For Python 2, there are some more c...
Convert JS date time to MySQL datetime
...me? Also is there a way to add a specific number of minutes to JS datetime and then pass it to MySQL datetime?
12 Answers
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Bash Script: count unique lines in file
I have a large file (millions of lines) containing IP addresses and ports from a several hour network capture, one ip/port per line. Lines are of this format:
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Change key pair for ec2 instance
...e it in the same subnet, otherwise you will have to terminate the instance and create it again. - see here
Attach volume A to the new micro instance, as /dev/xvdf (or /dev/sdf)
SSH to the new micro instance and mount volume A to /mnt/tmp
$ sudo mount /dev/xvdf1 /mnt/tmp
Copy ~/.ssh/authorized_keys ...
In PHP what does it mean by a function being binary-safe?
...you pass it arbitrary binary data (i.e. strings containing non-ASCII bytes and/or null bytes).
For example, a non-binary-safe function might be based on a C function which expects null-terminated strings, so if the string contains a null character, the function would ignore anything after it.
This...
Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
I am running the 32bit version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my research, I have installed the g++-multilib package.
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npm install error - MSB3428: Could not load the Visual C++ component “VCBuild.exe”
... I found that this doesn't work because node-gyp forces version v140 and the installer above puts down the latest version (currently VS2017 which is v150). I had to add --vs2015 to the install line to get it to put down the right version. I figured this out from a variety of sources, but in ...
How do you specify command line arguments in Xcode 4?
I just upgraded to Xcode 4 and can't find much documentation on it yet, since it just went gold master. I need to specify a command line argument for testing my application.
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