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Where to store global constants in an iOS application?
... NSString* const fullUrl = [NSString stringWithFormat:@"%@%@", kbaseUrl, @"script.php"], but apparently it's illegal to create consts with an expression. I get the error "initializer element is not constant".
– JoJo
Aug 19 '11 at 18:34
...
Linux: copy and create destination dir if it does not exist
...rn about: $_. I can see myself using it quite a bit from now on. I wrote a script to automate the whole process and put up in this thread. Give it a go, maybe you'll like: stackoverflow.com/questions/1529946/…
– thebunnyrules
Feb 26 '18 at 6:56
...
What is the most efficient string concatenation method in python?
... more pronounced, though, with longer strings.
Now that I had a nice test script, I also tested under Python 2.6, 3.3 and 3.4, here's the results. In Python 2.6, the plus operator is the fastest! On Python 3, join wins out. Note: these tests are very repeatable on my system. So, 'plus' is always fa...
How to set JAVA_HOME in Linux for all users
...
$ echo $JAVA_HOME
(<-- no output)
What I had to do was set up a script in /etc/profile.d/jdk_home.sh:
#!/bin/sh
export JAVA_HOME=/opt/ibm/java-x86_64-60/
export PATH=$JAVA_HOME/bin:$PATH
I initially neglected the first line (the #!/bin/sh), and it won't work without it.
Now it's worki...
AngularJS ng-style with a conditional expression
... MyCtrl($scope) {
$scope.color = 'blueish';
$scope.zoom = 2;
}
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.1/angular.min.js"></script>
<div ng-app="app" ng-controller="MyCtrl" ng-style="{
color: {blueish: 'blue', greenish: 'green'}[ color ],
...
How to find topmost view controller on iOS
... itself returning the presented view controller(IF ANY), even if it is a UIAlertController. For someone who need to avoid ui alert controller, use topViewController instead of visibleViewController
– Johnykutty
Sep 14 '15 at 7:30
...
How to gracefully handle the SIGKILL signal in Java
...er watcher program watch for your main program to go away or use a wrapper script. You could do with this with a shell script that polled the ps command looking for your program in the list and act accordingly when it disappeared.
#!/usr/bin/env bash
java TestShutdownHook
wait
# notify your other ...
How to prevent a jQuery Ajax request from caching in Internet Explorer?
... cache (default: true, false for dataType 'script' and 'jsonp') Type: Boolean If set to false, it will force requested pages not to be cached by the browser. Note: Setting cache to false will only work correctly with HEAD and GET requests. It works by appending "_={ti...
Linking R and Julia?
...e really basic flexible general data structure in R.
Note that Doug Bates alerted me about RCall a bi-directional interface from Julia to R (i.e., the other direction than R to Julia). Also, Doug recommended to target julia 0.4.0 rather than the current stable versions of julia.
...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...othing, meaning that you can't redirect the output, e.g., to a file.
---- script a.ps1 ----
write-host "hello"
Now run in PowerShell:
PS> .\a.ps1 > someFile.txt
hello
PS> type someFile.txt
PS>
As seen, you can't redirect them into a file. This maybe surprising for someone who are n...
