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'Contains()' workaround using Linq to Entities?
...e is the code that I used to generate some e-sql from a collection, YMMV:
string[] ids = orders.Select(x=>x.ProductID.ToString()).ToArray();
return CurrentDataSource.Products.Where("it.ID IN {" + string.Join(",", ids) + "}");
...
What's the difference between ES6 Map and WeakMap?
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@MuhammadUmer: object can only have string ‘keys’, while WeakMap can only have non-primitive keys (no strings or numbers or Symbols as keys, only arrays, objects, other maps, etc.).
– Ahmed Fasih
Aug 28 '16 at 5:41
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How to prepend a string to a column value in MySQL?
...QL update statement for updating a particular field of all the rows with a string "test" to be added in the front of the existing value.
...
Jelly Bean DatePickerDialog — is there a way to cancel?
....setButton(DialogInterface.BUTTON_NEGATIVE, getContext().getText(android.R.string.cancel), (OnClickListener) null);
this.setButton(DialogInterface.BUTTON_POSITIVE, getContext().getText(android.R.string.ok),
new DialogInterface.OnClickListener() {
@Override
...
What are the differences between the BLOB and TEXT datatypes in MySQL?
...s.
BLOB is used for storing binary data while Text is used to store large string.
BLOB values are treated as binary strings (byte strings). They have no character set, and sorting and comparison are based on the numeric values of the bytes in column values.
TEXT values are treated as nonbinary st...
What scalability problems have you encountered using a NoSQL data store? [closed]
...ays drawbacks for our circumstances (e.g. missing/immature Java support).
Extra benefit of (ab)using MySQL - the bits of our model that do work relationally can be easily linked to our key/value store data.
Update: here's an example of how we represented text content, not our actual business domai...
File Upload in WebView
...roid 3.0+
public void openFileChooser( ValueCallback uploadMsg, String acceptType ) {
mUploadMessage = uploadMsg;
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType("*/*");
MyWb.this.s...
PHP常用API函数用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...] => id=289
[5] => pc_hash=c6svGs
)
语法：
explode(separator, string,limit)
参数
描述
separator
必需。规定在哪里分割字符串。
string
必需。要分割的字符串。
limit
可选。规定所返回的数组元素的最大...
Build and Version Numbering for Java Projects (ant, cvs, hudson)
...t;
...
</manifest>
</target>
...
Your java code
String ver = MyClass.class.getPackage().getImplementationVersion();
share
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Regex Named Groups in Java
...p "name"
${name} to reference to captured group in Matcher's replacement string
Matcher.group(String name) to return the captured input subsequence by the given "named group".
Other alternatives for pre-Java 7 were:
Google named-regex (see John Hardy's answer)
Gábor Lipták mentions (N...