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Efficient way to determine number of digits in an integer
...then reverse the tests: if (x < 10) return 1; if (x < 100) return 2; etc., so that the function will do less tests and exit faster.
– squelart
Sep 28 '09 at 23:44
29
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Visually managing MongoDB documents and collections [closed]
...ly tedious to have to keep searching for documents, copy-and-pasting OIDs, etc., especially from a command prompt window (ever tried to "mark" text that wraps multiple lines?)
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How to use enums in C++
..., Monday, Tuesday, Wednesday, Thursday, Friday };
Now, Saturday, Sunday, etc. can be used as top-level bare constants,and Days can be used as a type:
Days day = Saturday; // Days.Saturday is an error
And similarly later, to test:
if (day == Saturday)
// ...
These enum values are like b...
How to set background color of a View
... EddieB's answer below is much better as this removes any borders etc. such as an EditText's underlining
– Molten Ice
Jul 27 '14 at 11:19
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set up device for development (???????????? no permissions)
...b", MODE="0666"
Run the following commands:
sudo cp /tmp/android.rules /etc/udev/rules.d/51-android.rules
sudo chmod 644 /etc/udev/rules.d/51-android.rules
sudo chown root. /etc/udev/rules.d/51-android.rules
sudo service udev restart
sudo killall adb
Disconnect the USB cable between the phone...
How do I make an html link look like a button?
... - can't "copy link address to clipboard", middle click to open in new tab etc, preview the link target by hovering over it with the mouse etc.
– Alexander Taylor
Oct 17 '16 at 23:34
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C# DLL config file
...ke use of .NET's XML schema, config section and config element mechanisms, etc. This entails creating an ExeConfigurationFileMap object, loading in the data to identify where the config file will be stored, and then calling ConfigurationManager.OpenMappedExeConfiguration to open it up into a new Co...
How to identify server IP address in PHP
... @andreas It shouldn't. The local hostname should be in the /etc/hosts file and will be fast - although it might just be 127.0.0.1. If it does have to call DNS then it will be slow like you say.
– Ariel
Feb 12 '15 at 10:39
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How to find the Windows version from the PowerShell command line
...o Windows 10.
Windows 10 has versions of its own: 1507, 1511, 1607, 1703, etc. This is what winver shows.
Powershell:
(Get-ItemProperty "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion").ReleaseId
Command prompt (CMD.EXE):
Reg Query "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion" /v Releas...
How do I trim whitespace from a string?
... instead of trim, isinstance instead of instanceof, list instead of array, etc, etc. Why not just use the names everyone is familiar with?? geez :P
– Gershom
Nov 3 '15 at 18:10
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