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Convert a JSON String to a HashMap
... exceptions and throw runtime exceptions or assertions instead. You have already checked that the key exists and that the array has a value at the index that you check. Also, no sense in creating the retMap before checking for null as it is created twice when json != null. Looks good though.
...
How often should you use git-gc?
... folder and probably brings an approximation (I don't know tcl to properly read that!).
In any case, it seems to give the warning based on an arbitrary number around 300 loose objects.
share
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impr...
How to add a progress bar to a shell script?
...; do
printf '\b%.1s' "$sp"
sp=${sp#?}${sp%???}
done
If you already have a loop which does a lot of work, you can call the
following function at the beginning of each iteration to update the
spinner:
sp="/-\|"
sc=0
spin() {
printf "\b${sp:sc++:1}"
((sc==${#sp})) && sc...
Sort a text file by line length including spaces
...
Pure Bash:
declare -a sorted
while read line; do
if [ -z "${sorted[${#line}]}" ] ; then # does line length already exist?
sorted[${#line}]="$line" # element for new length
else
sorted[${#line}]="${sorted[${#line}]}\n$l...
How does akka compare to Erlang? [closed]
...
Nearly nobody mentions process isolation. Without guarantees of "your thread cannot mess with my junk", distributed systems are much more difficult to reason about. (They're already difficult enough with Erlang's processes.)
AFAIK (which isn't far, given my limited direct experience with the JV...
Hidden Features of ASP.NET [closed]
...e the
compilation speed in some scenarios.
There are some catches, so read on for
more details. This switch is
currently available as a QFE for
3.5SP1, and will be part of VS 2010.
The ASP.NET compilation system takes a
very conservative approach which
causes it to wipe out any ...
Call a REST API in PHP
...). Depending on the API there are different methods required. i.e. GET for reading, POST for writing.
– Christoph Winkler
Mar 22 '12 at 7:17
2
...
Intellij idea cannot resolve anything in maven
... did the trick for me. Everything appeared to be set up fine, pom.xml was read, libraries present, but needed to do this to get errors to go away.
– davesbrain
Jun 19 '17 at 19:23
...
Which annotation should I use: @IdClass or @EmbeddedId
...n @Embeddedable and once for as i.e. @ManyToOne where @ManyToOne has to be read-only(@PrimaryKeyJoinColumn) because you can't have one column set in two variables (possible conflicts).
So you have to set your FK using simple type in @Embeddedable.
On the other site using @IdClass this situation can...
Solutions for distributing HTML5 applications as desktop applications? [closed]
...se a project like node-webkit, which is more generic by design.
says the readme, but there are quite a lot of folks out there who did it nevertheless.
Frameworks + Tools
Adobe AIR, as another answers suggested.
The Adobe® AIR® runtime enables developers to package the same code into nati...