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No increment operator (++) in Ruby? [duplicate]
... x++ then Ruby expects another operand. This is why you tend to get syntax errors if you try to use ++ at the moment as Ruby takes part of the next statement as the operand. += is implemented as call + on the receiver passing the RHS as a parameter and then assign the value returned by + to the vari...
Does PHP have threading?
...object and threading in java, those same people will have no doubt seen an error called ConcurrentModificationException - as it sounds an error raised by the java runtime if two threads write the same physical data concurrently. I understand why it exists, but it baffles me that with resources as ch...
How to check if a file is empty in Bash?
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Using the tool shellcheck can find spelling errors just fine.
– Yokai
Oct 3 '16 at 3:30
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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
...cd to the correct location before executing a command, may lead to cryptic error messages.
On Ubuntu (and probably Debian), provided you are using the "official" repo, deb http://apt.postgresql.org/pub/repos/apt/ xenial-pgdg main, and provided you haven't changed the default filesystem paths or run...
TypeError: ObjectId('') is not JSON serializable
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Most users who receive the "not JSON serializable" error simply need to specify default=str when using json.dumps. For example:
json.dumps(my_obj, default=str)
This will force a conversion to str, preventing the error. Of course then look at the generated output to confirm...
The selected run destination is not valid for this action
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The error occurs even if Executable is set. But your suggestion works anyway: Just set it to None and then back to the app name, then it works.
– Kay
Nov 30 '11 at 13:36
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Read connection string from web.config
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AlaaAlaa
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Adjust UILabel height to text
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this works fine for mee too in playground, the error does not seem to occur at this specific place, when i remove the usages of this method it is gonna whine about some println's or just a line with only comments (then it says EXC_BAD_ACCESS code=2 as well)
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Sending POST data in Android
...ception e) {
// displayLoding(false);
Log.e(TAG, "Error ...");
}
Log.e(TAG, "5 - after Response...");
if (!response.equalsIgnoreCase("")) {
try {
Log.e(TAG, "6 - response !empty...");
//
JSO...
Get Bitmap attached to ImageView
...!
– Hendra Anggrian
Jul 4 '16 at 12:05
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