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How to escape special characters in building a JSON string?
...y functions to convert things to and from JSON, you'll never even need to know JSON's escaping rules. This is what the misguided question asker here ought to have done.
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Django - How to rename a model field using South?
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I didn't know about db.rename column, sounds handy, however in the past I have added the new column as one schemamigration, then created a datamigration to move values into the new field, then a second schemamigration to remove the old...
What is this date format? 2011-08-12T20:17:46.384Z
... separate the date from the time, and the Z means "zero hour offset" also known as "Zulu time" (UTC). If your strings always have a "Z" you can use:
SimpleDateFormat format = new SimpleDateFormat(
"yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.US);
format.setTimeZone(TimeZone.getTimeZone("UTC"));
Or ...
Java multiline string
...ink the content is at blogs.oracle.com/darcy/entry/project_coin_final_five now.
– Donal Fellows
Feb 12 '14 at 7:53
8
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What's the difference between := and = in Makefile?
...me that CC = gcc then the appending operator is used like CC += -w
then CC now has the value gcc -W
For more check out these tutorials
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What are the First and Second Level caches in Hibernate?
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that's simple words right there, I don't know why they have such hard time explaining it
– BlackTigerX
Jul 29 '11 at 21:11
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The name 'InitializeComponent' does not exist in the current context
...ibrary or project. The reason for this error is that the project does not know it's building a WPF control or window and therefore tries to build it as a C# 2.0 project.
The solution involves editing the .csproj file. Right click on the project causing the problem and select “Unload Project”. ...
Pattern to avoid nested try catch blocks?
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I know my answer is not the most efficient code, but then again using try/catch blocks for this kind of thing is not the best way to go anyway. Unfortunately, the OP is using a 3rd party library and has to do the best they can t...
How does Google's Page Speed lossless image compression work?
...e files that can be stripped away if filesize is your primary concern. I know that info is out there on the web, I just wanted to have a nice place to collate it here on SO.
– Drew Noakes
Mar 27 '11 at 19:10
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Standard concise way to copy a file in Java?
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Now with Java 7, you can use the following try-with-resource syntax:
public static void copyFile( File from, File to ) throws IOException {
if ( !to.exists() ) { to.createNewFile(); }
try (
FileChannel in =...