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Easy way to prevent Heroku idling?
...eature that will ping your site twice per minute, thus preventing the dyno from idling.
More or less the same solution as Jesse but maybe more integrated to Heroku... And with a few perks (performance monitoring is just great).
Note: to all those saying it doesn't work: the important part in ...
Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...t merge，合并上游分支来更新本地代码。
$ git fetch
From https://github.com/chaconinc/DbConnector
c3f01dc..d0354fc master -> origin/master
$ git merge origin/master
Updating c3f01dc..d0354fc
Fast-forward
scripts/connect.sh | 1 +
src/db.c | 1 +
2 fil...
jQuery pass more parameters into callback
... What is the purpose of 'var doSomething = '? How is this different from just declaring doSomething as a function (ie function doSomething(...) {} )
– Dave Neeley
Sep 23 '10 at 18:33
...
Finding what methods a Python object has
...I believe that what you want is something like this:
a list of attributes from an object
In my humble opinion, the built-in function dir() can do this job for you. Taken from help(dir) output on your Python Shell:
dir(...)
dir([object]) -> list of strings
If called without an argument, retu...
Why is $$ returning the same id as the parent process?
...
$$ is defined to return the process ID of the parent in a subshell; from the man page under "Special Parameters":
$ Expands to the process ID of the shell. In a () subshell, it expands to the process ID of the current shell, not the subshell.
In bash 4, you can get the process ID...
How to center icon and text in a android button with width set to “fill parent”
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android:drawableLeft is always keeping android:paddingLeft as a distance from the left border. When the button is not set to android:width="wrap_content", it will always hang to the left!
With Android 4.0 (API level 14) you can use android:drawableStart attribute to place a drawable at the start ...
What are some popular naming conventions for Unit Tests? [closed]
...t state is.
Specific about the expected behaviour.
What more do you need from a test name?
Contrary to Ray's answer I don't think the Test prefix is necessary. It's test code, we know that. If you need to do this to identify the code, then you have bigger problems, your test code should not be mi...
Updating version numbers of modules in a multi-module Maven project
...
Use versions:set from the versions-maven plugin:
mvn versions:set -DnewVersion=2.50.1-SNAPSHOT
It will adjust all pom versions, parent versions and dependency versions in a multi-module project.
If you made a mistake, do
mvn versions:rev...
How do I parse JSON with Objective-C?
... runtime.
So, for example:
NSData *returnedData = ...JSON data, probably from a web request...
// probably check here that returnedData isn't nil; attempting
// NSJSONSerialization with nil data raises an exception, and who
// knows how your third-party library intends to react?
if(NSClassFromSt...
How do you do a ‘Pause’ with PowerShell 2.0?
...is a composite of <1> above with the ISE workaround/kludge extracted from the proposal on Adam's Tech Blog (courtesy of Nick from earlier comments on this page). I made two slight improvements to the latter: added Test-Path to avoid an error if you use Set-StrictMode (you do, don't you?!) and ...