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Best practices for in-app database migration for Sqlite
... me share some migration code with FMDB and MBProgressHUD.
Here's how you read and write the schema version number (this is presumably part of a model class, in my case it's a singleton class called Database):
- (int)databaseSchemaVersion {
FMResultSet *resultSet = [[self database] executeQuer...
Initialization of an ArrayList in one line
...ing the List.of method to of, because that becomes confusing.
List.of is already short enough and reads well.
Using Streams
Why does it have to be a List?
With Java 8 or later you can use a Stream which is more flexible:
Stream<String> strings = Stream.of("foo", "bar", "baz");
You can concat...
Can you use hash navigation without affecting history?
...ation.replace('example.com/#hash_value_here'). This seem obvious when you read it here, but is a gotcha when you're on a page with a path fragment and don't realize base is set.
– Tyler Kasten
Jun 8 '17 at 23:05
...
The application may be doing too much work on its main thread
...pped xx frames! The application may be
doing too much work on its main thread.” So what does it actually
means, why should you be concerned and how to solve it.
What this means is that your code is taking long to process and frames
are being skipped because of it, It maybe because of some he...
Exotic architectures the standards committees care about
...an 8-bit char
As for non two's-complement systems there is an interesting read on
comp.lang.c++.moderated. Summarized: there are platforms having ones' complement or sign and magnitude representation.
share
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Adding two Java 8 streams, or an extra element to a stream
...ic methods with generic names can result in code that becomes difficult to read and maintain (namespace pollution). So, it might be better to create your own static methods with more meaningful names. However, for demonstration I will stick with this name.
public static <T> Stream<T> co...
How to reference a file for variables using Bash?
...ssue.
configfile='deployment.cfg'
if [ -f ${configfile} ]; then
echo "Reading user config...." >&2
# check if the file contains something we don't want
CONFIG_SYNTAX="(^\s*#|^\s*$|^\s*[a-z_][^[:space:]]*=[^;&\(\`]*$)"
if egrep -q -iv "$CONFIG_SYNTAX" "$configfile"; then
...
Difference between Lookup() and Dictionary(Of list())
...<TKey, List<TValue>>, so that difference is kind of explicit already.
– Martao
Jun 21 '14 at 18:25
7
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Which encoding opens CSV files correctly with Excel on both Mac and Windows?
... a corresponding "File origin" or "File encoding" selector which correctly reads the data.
Depending on your system and the tools you use, this encoding could also be named CP1252, ANSI, Windows (ANSI), MS-ANSI or just Windows, among other variations.
This encoding is a superset of ISO-8859-1 (aka...
iPhone App Icons - Exact Radius?
... creating artwork for websites and other promotional material.
Additional reading:
Neven Mrgan on additional icon sizes and other design considerations: ios app icon sizes
Bjango's Marc Edwards on the different options for creating roundrects in Photoshop and why it matters: roundrect
Appl...