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What's a reliable way to make an iOS app crash?
...see Is null pointer dereference undefined behavior in Objective-C?)
(in swift you would have to bridge to objC to do this)
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How to get the raw value an field?
...algorithm says the browser is supposed to set the value to an empty string if the input isn't a valid floating point number.
The value sanitization algorithm is as follows: If the value of the
element is not a valid floating-point number, then set it to the empty
string instead.
By specify...
How would you implement an LRU cache in Java?
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I like lots of these suggestions, but for now I think I'll stick with LinkedHashMap + Collections.synchronizedMap. If I do revisit this in the future, I'll probably work on extending ConcurrentHashMap in the same way LinkedHashMap extends HashMap.
UPDATE:
By reques...
What's the difference between deadlock and livelock?
...Assume A receives (or already has) r1, and B receives (or already has) r2. Now each try to get the resource the other has, without any timeout. A is blocked because B holds r2, and B is blocked because A holds r1. Each process is blocked and thus cannot release the resource the other wants, causing ...
Switch statement multiple cases in JavaScript
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Here's different approach avoiding the switch statement altogether:
var cases = {
afshin: function() { alert('hey'); },
_default: function() { alert('default'); }
};
cases.larry = cases.saeed = cases.afshin;
cases[ varName ] ? ...
How to enter command with password for git pull?
...helper to honor XDG configuration file locations when specified.
The doc now say:
If not specified:
credentials will be searched for from ~/.git-credentials and $XDG_CONFIG_HOME/git/credentials, and
credentials will be written to ~/.git-credentials if it exists, or $XDG_CONFIG_HOME/...
Setting an int to Infinity in C++
I have an int a that needs to be equal to "infinity". This means that if
6 Answers
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Solving a “communications link failure” with JDBC and MySQL [duplicate]
...6_SECURITY=no
use validationQuery property
use validationQuery="select now()" to make sure each query has responses
AutoReconnect
Add this code to your connection string:
&autoReconnect=true&failOverReadOnly=false&maxReconnects=10
Although non of these solutions worked for m...
How to pass parameters to ThreadStart method in Thread?
...- you are correct. All I should have said is that one should be aware that if the 'filename' changes before the thread starts the new value will be used. I shouldn't have been blabbering about the mechanics of it and I definitely shouldn't be talking about referencing.
– tymtam...
Where is Java Installed on Mac OS X?
...d on a terminal shell to figure out where is your Java 1.8 home directory
If you just want to find out the home directory of your most recent version of Java, omit the version. e.g. /usr/libexec/java_home
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