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Microsecond timing in JavaScript
...volve looping, you cannot gain access to the value of console.timeEnd() in order to add your timer results together. You can, but it get gets nasty because you have to inject the value of your iterating variable, such as i, and set a condition to detect if the loop is done.
Here is an example becau...
How to pass anonymous types as parameters?
...passed around, a more structured way may / should normally be preferred in order to not introduce hard to find bugs (you're sidestepping the type system). However, if you want to find a compromise, another way is to simply pass a generic Dictionary. C# dictionary initializers are pretty convenient t...
jQuery AJAX file upload PHP
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What's the difference between equal?, eql?, ===, and ==?
...t: => true
Note that two arrays with the same elements in a different order are not equal, uppercase and lowercase versions of the same letter are not equal and so on.
When comparing numbers of different types (e.g., integer and float), if their numeric value is the same, == will return true....
What is the most robust way to force a UIView to redraw?
...answer with more details. Trying to force the drawing system to run out of order by calling methods the documentation explicitly says not to call is not robust. At best it is undefined behavior. Most likely it will degrade performance and drawing quality. At worst it could deadlock or crash.
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Seeking clarification on apparent contradictions regarding weakly typed languages
...o". If the developer is wrong, then the runtime will throw an exception in order to protect type safety. If the developer wishes to break type safety or memory safety, they can do so by turning off the type safety system by making an "unsafe" block. In an unsafe block you can use pointer magic to tr...
Multiple working directories with Git?
...red to by a main worktree's HEAD, even if that main worktree is bare.
In order to avoid that, also check core.bare when setting is_bare.
If core.bare=1, trust it, and otherwise, use is_bare_repository().
With Git 2.29 (Q4 2020), the "worktree" API offers a better determination of a worktree path...
How do I create test and train samples from one dataframe with pandas?
... test_size=0.3)
Case 2: case of a very small datasets (<500 rows): in order to get results for all your lines with this cross-validation. At the end, you will have one prediction for each line of your available training set.
from sklearn.model_selection import KFold
kf = KFold(n_splits=10, ran...
write a shell script to ssh to a remote machine and execute commands
...ript and put your linux machines IPs, usernames and password in respective order. After that run that script. Thats it ! This script will install VLC in all systems.
#!/bin/bash
SCRIPT="cd Desktop; pwd; echo -e 'PASSWORD' | sudo -S apt-get install vlc"
HOSTS=("192.168.1.121" "192.168.1.122" "192.1...
Is it possible to use Java 8 for Android development?
...-fledge Android device running on a x86 or x64 based personal computer. In order to use Google services like Google PlayStore on this virtual device, a gapps image for the Android version that it uses must be flashed onto the device. A proper gapps image for the device might be downloaded from Cyano...