diff --git a/include/Nazara/Core/String.hpp b/include/Nazara/Core/String.hpp
index 43d3d9680..8707dacb3 100644
--- a/include/Nazara/Core/String.hpp
+++ b/include/Nazara/Core/String.hpp
@@ -46,7 +46,7 @@ class NAZARA_API NzString : public NzHashable
 		NzString& Append(const char* string);
 		NzString& Append(const NzString& string);
 
-		void Clear();
+		void Clear(bool keepBuffer = false);
 
 		bool Contains(char character, int start = 0, nzUInt32 flags = None) const;
 		bool Contains(const char* string, int start = 0, nzUInt32 flags = None) const;
diff --git a/include/Nazara/Math/Basic.hpp b/include/Nazara/Math/Basic.hpp
index 1049f2837..ec374efe2 100644
--- a/include/Nazara/Math/Basic.hpp
+++ b/include/Nazara/Math/Basic.hpp
@@ -40,7 +40,7 @@ template<typename T> bool NzNumberEquals(T a, T b);
 inline NzString NzNumberToString(long long number, nzUInt8 radix = 10);
 template<typename T> T NzRadians(T radians);
 template<typename T> T NzRadianToDegree(T radians);
-inline long long NzStringToNumber(NzString str, nzUInt8 radix = 10);
+inline long long NzStringToNumber(NzString str, nzUInt8 radix = 10, bool* ok = nullptr);
 
 #include <Nazara/Math/Basic.inl>
 
diff --git a/include/Nazara/Math/Basic.inl b/include/Nazara/Math/Basic.inl
index d86a7c84e..8655680f5 100644
--- a/include/Nazara/Math/Basic.inl
+++ b/include/Nazara/Math/Basic.inl
@@ -195,7 +195,7 @@ NzString NzNumberToString(long long number, nzUInt8 radix)
 	if (number == 0)
 		return '0';
 
-	static const char* symbols("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+	static const char* symbols = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 
 	bool negative;
 	if (number < 0)
@@ -238,12 +238,16 @@ T NzRadianToDegree(T radians)
 	return radians * (180.0/M_PI);
 }
 
-long long NzStringToNumber(NzString str, nzUInt8 radix)
+long long NzStringToNumber(NzString str, nzUInt8 radix, bool* ok)
 {
 	#if NAZARA_MATH_SAFE
 	if (radix < 2 || radix > 36)
 	{
 		NazaraError("Radix must be between 2 and 36");
+
+		if (ok)
+			*ok = false;
+
 		return 0;
 	}
 	#endif
@@ -269,11 +273,18 @@ long long NzStringToNumber(NzString str, nzUInt8 radix)
 		else
 		{
 			NazaraError("str is not a valid number");
+
+			if (ok)
+				*ok = false;
+
 			return 0;
 		}
 	}
 	while (*++digit);
 
+	if (ok)
+		*ok = true;
+
 	return (negative) ? -static_cast<long long>(total) : total;
 }
 
diff --git a/src/Nazara/Core/String.cpp b/src/Nazara/Core/String.cpp
index 53395d609..dcbb6b564 100644
--- a/src/Nazara/Core/String.cpp
+++ b/src/Nazara/Core/String.cpp
@@ -22,6 +22,7 @@ inline unsigned int nzPow2(unsigned int n)
 {
 	unsigned int x = 1;
 
+	// Tant que x est plus petit que n, on décale ses bits vers la gauche, ce qui revient à multiplier par deux
 	while(x <= n)
 		x <<= 1;
 
@@ -265,9 +266,17 @@ NzString& NzString::Append(const NzString& string)
 	return *this;
 }
 
-void NzString::Clear()
+void NzString::Clear(bool keepBuffer)
 {
-	ReleaseString();
+	if (keepBuffer)
+	{
+		ReleaseString();
+
+		m_sharedString->size = 0;
+		m_sharedString->string = nullptr;
+	}
+	else
+		ReleaseString();
 }
 
 bool NzString::Contains(char character, int start, nzUInt32 flags) const
@@ -3842,7 +3851,7 @@ bool NzString::ToBool(bool* value, nzUInt32 flags) const
 
 bool NzString::ToDouble(double* value) const
 {
-	if (m_sharedString->size)
+	if (m_sharedString->size == 0)
 		return false;
 
 	if (value)
@@ -3853,13 +3862,15 @@ bool NzString::ToDouble(double* value) const
 
 bool NzString::ToInteger(long long* value, nzUInt8 base) const
 {
-	if (!IsNumber(base))
-		return false;
-
 	if (value)
-		*value = NzStringToNumber(*this, base);
+	{
+		bool ok;
+		*value = NzStringToNumber(*this, base, &ok);
 
-	return true;
+		return ok;
+	}
+	else
+		return IsNumber(base);
 }
 
 NzString NzString::ToLower(nzUInt32 flags) const
diff --git a/src/Nazara/Renderer/GLSLShader.cpp b/src/Nazara/Renderer/GLSLShader.cpp
index e60cd8be9..9c3569fa2 100644
--- a/src/Nazara/Renderer/GLSLShader.cpp
+++ b/src/Nazara/Renderer/GLSLShader.cpp
@@ -98,6 +98,7 @@ bool NzGLSLShader::Compile()
 		glGetProgramiv(m_program, GL_INFO_LOG_LENGTH, &length);
 		if (length > 1)
 		{
+			m_log.Clear(true);
 			m_log.Reserve(length+19-1); // La taille retournée est celle du buffer (Avec caractère de fin)
 			m_log.Prepend("Linkage error: ");
 			m_log.Resize(length+19-1); // Extension du buffer d'écriture pour ajouter le log
@@ -129,7 +130,7 @@ bool NzGLSLShader::Create()
 	glBindAttribLocation(m_program, attribIndex[nzElementUsage_Diffuse], "Diffuse");
 	glBindAttribLocation(m_program, attribIndex[nzElementUsage_Tangent], "Tangent");
 
-	NzString uniformName = "TexCoordi";
+	NzString uniformName = "TexCoord*";
 	for (unsigned int i = 0; i < 8; ++i)
 	{
 		uniformName[8] = '0'+i;
@@ -242,6 +243,7 @@ bool NzGLSLShader::Load(nzShaderType type, const NzString& source)
 		glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &length);
 		if (length > 1)
 		{
+			m_log.Clear(true);
 			m_log.Reserve(length+19-1); // La taille retournée est celle du buffer (Avec caractère de fin)
 			m_log.Prepend("Compilation error: ");
 			m_log.Resize(length+19-1); // Extension du buffer d'écriture pour ajouter le log