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String replacement in Objective-C
...to get a new string with a substring replaced (See NSString documentation for others)
Example use
NSString *str = @"This is a string";
str = [str stringByReplacingOccurrencesOfString:@"string"
withString:@"duck"];
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Git stash: “Cannot apply to a dirty working tree, please stage your changes”
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When I have to apply stashed changes to a dirty working copy, e.g. pop more than one changeset from the stash, I use the following:
$ git stash show -p | git apply -3 && git stash drop
Basically it
creates a patch
pipes that to the apply command
if there are a...
What are the benefits to marking a field as `readonly` in C#?
...cting against someone changing its value during the lifecycle of the class or does using this keyword result in any speed or efficiency improvements?
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Most efficient way to increment a Map value in Java
I hope this question is not considered too basic for this forum, but we'll see. I'm wondering how to refactor some code for better performance that is getting run a bunch of times.
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List goals/targets in GNU make that contain variables in their definition
... the variables, rules, implicit rules and which commands will be run in laborious detail.
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connecting to MySQL from the command line
...//dev.mysql.com/doc/refman/5.0/en/connecting.html
mysql -u USERNAME -pPASSWORD -h HOSTNAMEORIP DATABASENAME
The options above means:
-u: username
-p: password (**no space between -p and the password text**)
-h: host
last one is name of the database that you wanted to connect.
Look into the link,...
Are braces necessary in one-line statements in JavaScript?
...tements could be harmful in JavaScript. I don't remember the reasoning anymore and a Google search did not help much.
20 A...
How do I remove the blue styling of telephone numbers on iPhone/iOS?
...lephone number when viewed on an iPhone? Like a specific Mobile Safari tag or CSS to add?
20 Answers
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Pad a number with leading zeros in JavaScript [duplicate]
...rray instance methods skip array elements without values, .join() doesn't, or at least not completely; it treats them as if their value is the empty string. Thus you get a copy of the zero character (or whatever "z" is) between each of the array elements; that's why there's a + 1 in there.
Example ...
Is Zookeeper a must for Kafka?
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Yes, Zookeeper is required for running Kafka. From the Kafka Getting Started documentation:
Step 2: Start the server
Kafka uses zookeeper so you need to first start a zookeeper server if
you don't already have one. You can use the convenience...