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What are enums and why are they useful?
...xecute now", "defer execution").
If you use enums instead of integers (or String codes), you increase compile-time checking and avoid errors from passing in invalid constants, and you document which values are legal to use.
BTW, overuse of enums might mean that your methods do too much (it's often...
JavaScript implementation of Gzip [closed]
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Edit There appears to be a better LZW solution that handles Unicode strings correctly at http://pieroxy.net/blog/pages/lz-string/index.html (Thanks to pieroxy in the comments).
I don't know of any gzip implementations, but the jsolait library (the site seems to have gone away) has function...
Running Bash commands in Python
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It's better use shlex.split() instead string.split() in this case
– Alexey Sviridov
May 24 '18 at 3:51
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How to download image from url
...rl), @"c:\temp\image35.png");
}
These methods are almost same as DownloadString(..) and DownloadStringAsync(...). They store the file in Directory rather than in C# string and no need of Format extension in URi
If You don't know the Format(.png, .jpeg etc) of Image
public void SaveImage(string f...
How can I convert my device token (NSData) into an NSString?
I am implementing push notifications. I'd like to save my APNS Token as a String.
29 Answers
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Jackson overcoming underscores in favor of camel-case
I retrieve a JSON string from internet; like most JSON I've seen it includes long keys that are separated by underscores. Essentially, my goal is to deserialize JSON into java-objects, but I don't use underscores in java-code.
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Is there a MySQL command to convert a string to lowercase?
...se the functions LOWER() or LCASE().
These can be used both on columns or string literals. e.g.
SELECT LOWER(column_name) FROM table a;
or
SELECT column_name FROM table a where column = LOWER('STRING')
LCASE() can be substituted for LOWER() in both examples.
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How to sort by two fields in Java?
I have array of objects person (int age; String name;) .
16 Answers
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Changing the current working directory in Java?
...t subsequent creations of Files, but not e.g. FileOutputStreams.
The File(String parent, String child) constructor can help if you build up your directory path separately from your file path, allowing easier swapping.
An alternative is to set up a script to run Java from a different directory, or ...
Turning multi-line string into single comma-separated
Let's say I have the following string:
17 Answers
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