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log4j logging hierarchy order
...
[Taken from http://javarevisited.blogspot.com/2011/05/top-10-tips-on-logging-in-java.html]
DEBUG is the lowest restricted java logging level and we should write everything we need to debug an application, this java logging mode should only be used on Development and Testing env...
What is the Git equivalent for revision number?
...f my "parent" branch is based on v1.0.4, but since it has a few commits on top of that, describe has added the number of additional commits ("14") and an abbreviated object name for the commit itself ("2414721") at the end.
As long as you use sensibly named tags to tag particular releases, this ca...
Twitter bootstrap float div right
...g.com/bootstrap@3.3.7/dist/css/bootstrap.css');
.container {
margin-top: 10px;
}
<div class="container">
<div class="row-fluid">
<div class="span6 pull-left">
<p>Text left</p>
</div>
<div class="span6 text-r...
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
...stance. Now, your web host may certainly know much more than I about this topic, but virtual RHEL/CentOS systems I've used have reported swap available to the guest OS.
Adapting Red Hat KB Article 15252:
A Red Hat Enterprise Linux 5 system
will run just fine with no swap space
at all as lo...
Find a commit on GitHub given the commit hash
... showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg cla...
What's the difference between “squash” and “fixup” in Git/Git Extension?
...t, but edit the commit message
# e, edit <commit> = use commit, but stop for amending
# s, squash <commit> = use commit, but meld into previous commit
# f, fixup <commit> = like "squash", but discard this commit's log message
# x, exec <command> = run command (the rest of the...
Linux: compute a single hash for a given folder & contents?
...er-productive(intuitive?) for certain use cases.
This is what I have on top my head, any one who has spent some time working on this practically would have caught other gotchas and corner cases.
Here's a tool, very light on memory, which addresses most cases, might be a bit rough around the edg...
Are parallel calls to send/recv on the same socket valid?
... showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg cla...
Mediator Vs Observer Object-Oriented Design Patterns
...ained the difference in intent excellently.
I will add some more info on top it.
Observer : Enables notification of a event in one object to different set of objects ( instances of different classes)
Cleaner way to do a null check in C#? [duplicate]
...as much more severe: I was reaching all the way from a controller near the top of my stack through a business logic calculator in the middle of the stack into a data class likely in the persistence layer.
I bring this potential exception to the Law of Demeter up because with names like Person, Cont...