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Creating an Android trial application that expires after a fixed time period
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@AmirDe Hi Amir, could you let me know what isn't working for you? I'm happy to help, support@trialy.io Trialy is working great for 1000+ users
– Nick
Jun 6 '18 at 7:26
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How does database indexing work? [closed]
...ive million rows and is unindexed. The performance of several queries will now be analyzed. These are a query using the id (a sorted key field) and one using the firstName (a non-key unsorted field).
Example 1 - sorted vs unsorted fields
Given our sample database of r = 5,000,000 records of a fixe...
Convert absolute path into relative path given a current directory using Bash
... $2/$target from $1/$source
source=$1
target=$2
common_part=$source # for now
result="" # for now
while [[ "${target#$common_part}" == "${target}" ]]; do
# no match, means that candidate common part is not correct
# go up one level (reduce common part)
common_part="$(dirname $common_pa...
Is there a way to reduce the size of the git folder?
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Some explanation of what those do? I know that we can Google them and search for their documentation, but it is a common practice to provide short description of your answer when it involves just code or commands.
– Dzhuneyt
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Is it bad to have my virtualenv directory inside my git repository?
...version too old), forcing an upgrade while the site was down. so... I will now never rely on pip freeze again to do this. the issue is that during your forced upgrade redeploy, no one pays for it, and for intermediate upgrades ("best practice" maintenance) no one does either.
–...
Difference between WAIT and BLOCKED thread states
... Assume there is only one thread and waited on some time in millis; now Is it possible a thread can directly from waiting state to go to runnable state? since no other thread takes lock here since only single threaded?
– Kanagavelu Sugumar
Jun 15 '16 at ...
Recompile Heroku slug without push or config change
...oned such a command, so I'm presuming your answer is spot on, at least for now. Thanks!
– Nathan
Mar 21 '12 at 2:50
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Mathematical functions in Swift
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@noilly: kinda late now, you have to set the file type to iOS in the Playground's file properties (Cmd-Opt-0), or import UIKit instead, per above comment
– Chris Conover
Sep 29 '14 at 21:35
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iPhone UIView Animation Best Practice
...ify an arbitrary CoreImage filter to use as a transition, but as it stands now you can't do this on the iPhone, which lacks CoreImage.
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StringBuilder vs String concatenation in toString() in Java
...ion, it will be because it is not worth it. In 99% of cases, the compiler knows better which optimization is worth it, so as a rule of thumb the dev should not interfere. Of course, your situation may fall into the other 1%, but that can only be checked by (careful) benchmarking.
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