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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
...
Why does the arrow (->) operator in C exist?
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With that reasoning, why have the arrow at all? It makes extra sure the programmer knows that they're operating on a pointer if they must do (*a).b to access the struct contents.
– CivFan
Sep 9 at 20:37
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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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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...
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...
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...
How can I link to a specific glibc version?
...ect because crosstool-NG does not support building the executables without extra -Wl flags, which feels weird since we've built GCC itself. But everything seems to work, so this is only an inconvenience.
Get crosstool-NG and configure it:
git clone https://github.com/crosstool-ng/crosstool-ng
cd c...
How to organize large R programs?
...ome silly performance mistakes when I first started out with R.
When to extract logical units into their own physical units (like source files and bigger groupings like packages)? I have two cases. First, if the file gets too large and scrolling around among logically unrelated units is an anno...
Build and Version Numbering for Java Projects (ant, cvs, hudson)
...t;
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</manifest>
</target>
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Your java code
String ver = MyClass.class.getPackage().getImplementationVersion();
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Why does C# not provide the C++ style 'friend' keyword? [closed]
...ly define which members are being passed between the two classes, which is extra work but may also make the code easier to understand.
If somebody has an example of a reasonable use of "friend" that cannot be simulated using interfaces, please share it! I'd like to better understand the difference...