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Escape Character in SQL Server
...used the preferred approach I recommended for building up a SQL query in a string variable - to use parameterized SQL. Either way, both are answers to the question
– AdaTheDev
Feb 5 '18 at 14:48
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How to avoid reverse engineering of an APK file?
...
how about encrypting your strings in the code and decrypting them at runtime? If you do the decryption on a remote server, like other people suggested, you don't get the problem that the decryption key is in the sources.
– kutsch...
Number of days between two dates in Joda-Time
...o achieve the behavior of android.text.format.DateUtils.getRelativeTimeSpanString() with joda and this was really useful.
– gosho_ot_pochivka
Jun 27 '13 at 10:28
1
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Map implementation with duplicate keys
...ions external library. You can simply implement the following Map:
Map<String, ArrayList<String>> hashMap = new HashMap<String, ArrayList>();
public static void main(String... arg) {
// Add data with duplicate keys
addValues("A", "a1");
addValues("A", "a2");
addValues...
Remove HTML tags from a String
Is there a good way to remove HTML from a Java string? A simple regex like
33 Answers
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Case insensitive 'in'
...pper() for name in USERNAMES) would create only a generator and one needed string at a time - massive memory savings if you're doing this operation a lot. (even more savings, if you simply create a list of lowercase usernames that you reuse for checking every time)
– viraptor
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Uint8Array to string in Javascript
...ipt. Is there an efficient way to decode these out to a regular javascript string (I believe Javascript uses 16 bit Unicode)? I dont want to add one character at the time as the string concaternation would become to CPU intensive.
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Using Enum values as String literals
What is the best way to use the values stored in an Enum as String literals?
For example:
18 Answers
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pip install from git repo branch
...ango 1.9 on, Django ships with a file that has a unicode filename. The zip extractor used by pip chokes on that. An easy workaround is to replace .zip with .tar.gz, as the tar extractor works.
– spectras
Jul 3 '16 at 11:56
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How to do ToString for a possibly null object?
...# 6.0 we can now have a succinct, cast-free version of the orignal method:
string s = myObj?.ToString() ?? "";
Or even using interpolation:
string s = $"{myObj}";
Original Answer:
string s = (myObj ?? String.Empty).ToString();
or
string s = (myObjc ?? "").ToString()
to be even more concise.
Unfo...