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Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
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From the MSDN documentation for NameValueCollection.Item Property (String):
Caution
This property returns null in the following cases: 1) if the specified key is not found; and 2) if the specified key is found and its associ...
What is the iBeacon Bluetooth Profile
...ns, however, a few hardware developers have reverse Engineered the iBeacon from the AirLocate Sample code and started selling iBeacon dev kits.
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...stored in read-only memory when the program is run. This is to prevent you from accidentally changing a string constant. In your first example, "string" is stored in read-only memory and *str points to the first character. The segfault happens when you try to change the first character to 'z'.
In t...
How to check if a string contains an element from a list in Python
...handle http://.../file.doc?foo and http://.../foo.doc/file.exe correctly.
from urlparse import urlparse
import os
path = urlparse(url_string).path
ext = os.path.splitext(path)[1]
if ext in extensionsToCheck:
print(url_string)
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Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7
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Try changing the contentInset property that UITableView inherits from UIScrollView.
self.tableView.contentInset = UIEdgeInsetsMake(-20, 0, 0, 0);
It's a workaround, but it works
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How do I update the GUI from another thread?
Which is the simplest way to update a Label from another Thread ?
47 Answers
47
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Why does pylint object to single character variable names?
...es() if a.is_proper()] I claim the latter is more clear, as a is obvious from the context. In general, variable length should correlate with scope of the variable.
– EdvardM
Oct 24 '19 at 7:03
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returning a Void object
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can (Void)null be differentiated from null in any way?
– Orangle
Feb 22 at 21:13
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How to throw a C++ exception
...m exceptions make more sense then go for it. You may still want to derive from std::exception and keep the interface the same.
– nsanders
Dec 12 '11 at 21:02
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Windows can't find the file on subprocess.call()
...uld type:
import subprocess
subprocess.call('dir', shell=True)
To quote from the documentation:
The only time you need to specify shell=True on Windows is when the command you wish to execute is built into the shell (e.g. dir or copy). You do not need shell=True to run a batch file or console...