大约有 48,000 项符合查询结果(耗时:0.0501秒) [XML]
SQL error “ORA-01722: invalid number”
...ice that manually complete a field with "(null)" will give you that error. If the defaul is null and you don't complete it will auto-complete with (null) but it is not the same when you type it.
– bogdan.rusu
Aug 5 '15 at 8:37
...
How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?
...Activity):
public String getFileName(Uri uri) {
String result = null;
if (uri.getScheme().equals("content")) {
Cursor cursor = getContentResolver().query(uri, null, null, null, null);
try {
if (cursor != null && cursor.moveToFirst()) {
result = cursor.getString(cur...
Java: Detect duplicates in ArrayList?
...into a Set (using the Set(Collection) constructor or Set.addAll), then see if the Set has the same size as the ArrayList.
List<Integer> list = ...;
Set<Integer> set = new HashSet<Integer>(list);
if(set.size() < list.size()){
/* There are duplicates */
}
Update: If I'm un...
How can I format a number into a string with leading zeros?
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if you use string.Format("D2", value) you'll get D2 in the output. this doesn't work. We must use "{0:00}" in this case.
– v.oddou
Aug 7 '15 at 7:22
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What do numbers using 0x notation mean?
...addition! That's just the memory representation though, I guess similar to if we would agree that we have a set of numbers from 0--999 and that 1000--1999 would represent the negative numbers. My question was about human-readable notation, though knowing how computers do it might help someone else, ...
How to show the text on a ImageButton?
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It is technically possible to put a caption on an ImageButton if you really want to do it. Just put a TextView over the ImageButton using FrameLayout. Just remember to not make the Textview clickable.
Example:
<FrameLayout>
<ImageButton
android:id="@+id/button_x"
...
git pull aborted with error filename too long
...
@AntonAndreev Yup, if you wish to set it in global scope, that's OK. Local scope per repository is perfectly valid as well.
– mloskot
Sep 1 '15 at 22:11
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Print newline in PHP in single quotes
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If you are echoing to a browser, you can use <br/> with your statement:
echo 'Will print a newline<br/>';
echo 'But this wont!';
share
...
How to run a command in the background and get no output?
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Use nohup if your background job takes a long time to finish or you just use SecureCRT or something like it login the server.
Redirect the stdout and stderr to /dev/null to ignore the output.
nohup /path/to/your/script.sh > /dev/...
Eclipse fonts and background color
... Wow, this rocks! Is there any way to get the plug-in to modify the background of the other windows (i.e., Package Explorer, LogCat, etc.)?
– gonzobrains
May 15 '13 at 22:23
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