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JPA - Returning an auto generated id after persist()
... the first one of the values (for a single column key) in the Map returned by getIdSnapshot(), it contains also the column name(s) associated to the PK as key(s):
objectId.getIdSnapshot().values()
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Create instance of generic type in Java?
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Good approach by this code may cause ClassCastException if You use in the generic a generic type. Then You retrive the actualType argument You should check that it is also ParamterizedType and if so return his RawType (or something better ...
Converting JSONarray to ArrayList
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I've done it using Gson (by Google).
Add the following line to your module's build.gradle:
dependencies {
// ...
// Note that `compile` will be deprecated. Use `implementation` instead.
// See https://stackoverflow.com/a/44409111 for more inf...
How to programmatically display version/build number of target in iOS app?
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In Xcode you can auto-increment the build number as a decimal number by placing the following in the Run script build phase in the project settings
#!/bin/bash
buildNumber=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "$INFOPLIST_FILE")
buildNumber=$(($buildNumber + 1))
/usr/libe...
Difference between map, applymap and apply methods in Pandas
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Is there a way to do applymap along with groupby function in pandas?
– everestial007
Feb 11 '17 at 1:55
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I want to exception handle 'list index out of range.'
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
How do you assert that a certain exception is thrown in JUnit 4 tests?
...fman This wouldn't work with org.junit.experimental.theories.Theory runned by org.junit.experimental.theories.Theories
– Artem Oboturov
Apr 27 '12 at 16:01
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String replacement in Objective-C
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You could use the method
- (NSString *)stringByReplacingOccurrencesOfString:(NSString *)target
withString:(NSString *)replacement
...to get a new string with a substring replaced (See NSString documentation for others)
Example...
了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
...即使其他程序在访问同一文件也如此！
unsigned long remove_all(const path& p)：此 API 尝试删除路径 p 所引用的文件或目录。与 remove 不同，此函数并不会特殊考虑不为空的目录。此函数是 UNIX rm –rf 命令的 Boost 对等项。
实用工具...
Set the absolute position of a view
...veLayout from your layout xml
RelativeLayout rl = (RelativeLayout) findViewById(R.id.my_relative_layout);
ImageView iv = new ImageView(this);
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(30, 40);
params.leftMargin = 50;
params.topMargin = 60;
rl.addView(iv, params);
Mor...