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ETag vs Header Expires
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They are slightly different - the ETag does not have any information that the client can use to determine whether or not to make a request for that file again in the future. If ETag is all it has, it will always have to make a request. However, when the server r...
Use of “global” keyword in Python
What I understand from reading the documentation is that Python has a separate namespace for functions, and if I want to use a global variable in that function, I need to use global .
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Java array reflection: isArray vs. instanceof
...hether an object is an array.
Generally, you test an object's type before downcasting to a particular type which is known at compile time. For example, perhaps you wrote some code that can work with a Integer[] or an int[]. You'd want to guard your casts with instanceof:
if (obj instanceof Integer...
Is the primary key automatically indexed in MySQL?
Do you need to explicitly create an index, or is it implicit when defining the primary key? Is the answer the same for MyISAM and InnoDB?
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Jenkins on OS X: xcodebuild gives Code Sign error
... they can be used. You can use security unlock-keychain to unlock. You can do that interactively (safer) or by specifying the password on the command line (unsafe), e.g.:
security unlock-keychain -p mySecretPassword...
Obviously, putting this into a script compromises the security of that keychai...
How to highlight text using javascript
... highlight only once, not like highlight all occurrences of the text as we do in case of search.
13 Answers
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adb server version doesn't match this client
... restart your adb by going into folder platform-tools which adb placed and do this command:
./adb kill-server
./adb start-server
*tips: You may close the process of Genymotion before running the command above
Hope this help.
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What are the differences between .gitignore and .gitkeep?
...tignore and .gitkeep ? Are they the same thing with a different name, or do they both serve a different function?
3 Answe...
How can I scroll to a specific location on the page using jquery?
..., you can find it here:
http://plugins.jquery.com/scrollTo/
Excerpts from Documentation:
$('div.pane').scrollTo(...);//all divs w/class pane
or
$.scrollTo(...);//the plugin will take care of this
Custom jQuery function for scrolling
you can use a very lightweight approach by defining your c...
Abandoning changes without deleting from history
There is a commit that just didn't work, so I want to abandon it without deleting it from history .
9 Answers
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